Add support for Intel Panther Point PCH

Change-Id: Iac3cd25b36493bb203e849674320e113cc5fce32 Signed-off-by: Duncan Laurie <dlaurie@google.com> Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/853 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
author: Stefan Reinauer <stefan.reinauer@coreboot.org> 2012-04-04 00:07:22 +0200
committer: Stefan Reinauer <stefan.reinauer@coreboot.org> 2012-04-04 19:10:51 +0200
commit: 8e073829ec69ee89b3e91f4c040c96988084a526 (patch)
tree: 2e2b378ec66aa3ecd563b253726aae6e71db043a /src/southbridge
parent: cb91e1525eb0b81f9bc2e24e3404d6a9efc1cce3 (diff)
download: coreboot-8e073829ec69ee89b3e91f4c040c96988084a526.tar.xz
42 files changed, 9315 insertions, 0 deletions
diff --git a/src/southbridge/intel/Kconfig b/src/southbridge/intel/Kconfig
index e6ffac9694..cb0ac83008 100644
--- a/src/southbridge/intel/Kconfig
+++ b/src/southbridge/intel/Kconfig
@@ -10,3 +10,4 @@ source src/southbridge/intel/i82801gx/Kconfig
 source src/southbridge/intel/i82870/Kconfig
 source src/southbridge/intel/pxhd/Kconfig
 source src/southbridge/intel/sch/Kconfig
+source src/southbridge/intel/bd82x6x/Kconfig
diff --git a/src/southbridge/intel/Makefile.inc b/src/southbridge/intel/Makefile.inc
index b399955744..6869e5b837 100644
--- a/src/southbridge/intel/Makefile.inc
+++ b/src/southbridge/intel/Makefile.inc
@@ -10,3 +10,5 @@ subdirs-$(CONFIG_SOUTHBRIDGE_INTEL_I82801GX) += i82801gx
 subdirs-$(CONFIG_SOUTHBRIDGE_INTEL_I82870) += i82870
 subdirs-$(CONFIG_SOUTHBRIDGE_INTEL_PXHD) += pxhd
 subdirs-$(CONFIG_SOUTHBRIDGE_INTEL_SCH) += sch
+subdirs-$(CONFIG_SOUTHBRIDGE_INTEL_BD82X6X) += bd82x6x
+subdirs-$(CONFIG_SOUTHBRIDGE_INTEL_C216) += bd82x6x
diff --git a/src/southbridge/intel/bd82x6x/Kconfig b/src/southbridge/intel/bd82x6x/Kconfig
new file mode 100644
index 0000000000..3891be13b0
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/Kconfig
@@ -0,0 +1,68 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2011 Google Inc.
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+##
+
+config SOUTHBRIDGE_INTEL_BD82X6X
+	bool
+
+config SOUTHBRIDGE_INTEL_C216
+	bool
+
+if SOUTHBRIDGE_INTEL_BD82X6X || SOUTHBRIDGE_INTEL_C216
+
+config SOUTH_BRIDGE_OPTIONS # dummy
+	def_bool y
+	select IOAPIC
+	select HAVE_HARD_RESET
+	select HAVE_USBDEBUG
+	select USE_WATCHDOG_ON_BOOT
+	select PCIEXP_ASPM
+	select PCIEXP_COMMON_CLOCK
+
+config EHCI_BAR
+	hex
+	default 0xfef00000
+
+config EHCI_DEBUG_OFFSET
+	hex
+	default 0xa0
+
+config BOOTBLOCK_SOUTHBRIDGE_INIT
+	string
+	default "southbridge/intel/bd82x6x/bootblock.c"
+
+config SERIRQ_CONTINUOUS_MODE
+	bool
+	default n
+	help
+	  If you set this option to y, the serial IRQ machine will be
+	  operated in continuous mode.
+
+endif
+
+if SOUTHBRIDGE_INTEL_BD82X6X
+config PCH_CHIP_NAME
+	string
+	default "Cougar Point"
+endif
+
+if SOUTHBRIDGE_INTEL_C216
+config PCH_CHIP_NAME
+	string
+	default "Panther Point"
+endif
diff --git a/src/southbridge/intel/bd82x6x/Makefile.inc b/src/southbridge/intel/bd82x6x/Makefile.inc
new file mode 100644
index 0000000000..57322542ac
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/Makefile.inc
@@ -0,0 +1,43 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2010 Google Inc.
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+##
+
+me-src-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += me.c
+me-src-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += me_8.x.c
+
+driver-y += pch.c
+driver-y += azalia.c
+driver-y += lpc.c
+driver-y += pci.c
+driver-y += pcie.c
+driver-y += sata.c
+driver-y += usb_ehci.c
+driver-y += $(me-src-y)
+driver-y += smbus.c
+
+ramstage-y += me_status.c
+ramstage-y += reset.c
+ramstage-y += watchdog.c
+
+ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi.c
+smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c $(me-src-y) finalize.c
+
+romstage-y += early_usb.c early_smbus.c early_me.c me_status.c gpio.c
+romstage-$(CONFIG_USBDEBUG) += usb_debug.c
+romstage-y += reset.c
+
diff --git a/src/southbridge/intel/bd82x6x/acpi/audio.asl b/src/southbridge/intel/bd82x6x/acpi/audio.asl
new file mode 100644
index 0000000000..a4553289f2
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/acpi/audio.asl
@@ -0,0 +1,36 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+/* Intel PCH HDA */
+
+// Intel High Definition Audio (Azalia) 0:1b.0
+
+Device (HDEF)
+{
+	Name (_ADR, 0x001b0000)
+
+	// Power Resources for Wake
+	Name (_PRW, Package(){
+		13,  // Bit 13 of GPE
+		 4   // Can wake from S4 state.
+	})
+}
+
diff --git a/src/southbridge/intel/bd82x6x/acpi/globalnvs.asl b/src/southbridge/intel/bd82x6x/acpi/globalnvs.asl
new file mode 100644
index 0000000000..df450e3d01
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/acpi/globalnvs.asl
@@ -0,0 +1,244 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+/* Global Variables */
+
+Name(\PICM, 0)		// IOAPIC/8259
+Name(\DSEN, 1)		// Display Output Switching Enable
+
+/* Global ACPI memory region. This region is used for passing information
+ * between coreboot (aka "the system bios"), ACPI, and the SMI handler.
+ * Since we don't know where this will end up in memory at ACPI compile time,
+ * we have to fix it up in coreboot's ACPI creation phase.
+ */
+
+
+OperationRegion (GNVS, SystemMemory, 0xC0DEBABE, 0xf00)
+Field (GNVS, ByteAcc, NoLock, Preserve)
+{
+	/* Miscellaneous */
+	Offset (0x00),
+	OSYS,	16,	// 0x00 - Operating System
+	SMIF,	 8,	// 0x02 - SMI function
+	PRM0,	 8,	// 0x03 - SMI function parameter
+	PRM1,	 8,	// 0x04 - SMI function parameter
+	SCIF,	 8,	// 0x05 - SCI function
+	PRM2,	 8,	// 0x06 - SCI function parameter
+	PRM3,	 8,	// 0x07 - SCI function parameter
+	LCKF,	 8,	// 0x08 - Global Lock function for EC
+	PRM4,	 8,	// 0x09 - Lock function parameter
+	PRM5,	 8,	// 0x0a - Lock function parameter
+	P80D,	32,	// 0x0b - Debug port (IO 0x80) value
+	LIDS,	 8,	// 0x0f - LID state (open = 1)
+	PWRS,	 8,	// 0x10 - Power State (AC = 1)
+	/* Thermal policy */
+	Offset (0x11),
+	TLVL,    8,	// 0x11 - Throttle Level Limit
+	FLVL,	 8,	// 0x12 - Current FAN Level
+	TCRT,    8,	// 0x13 - Critical Threshold
+	TPSV,	 8,	// 0x14 - Passive Threshold
+	TMAX,	 8,	// 0x15 - CPU Tj_max
+	F0OF,	 8,	// 0x16 - FAN 0 OFF Threshold
+	F0ON,	 8,	// 0x17 - FAN 0 ON Threshold
+	F0PW,	 8,	// 0x18 - FAN 0 PWM value
+	F1OF,	 8,	// 0x19 - FAN 1 OFF Threshold
+	F1ON,	 8,	// 0x1a - FAN 1 ON Threshold
+	F1PW,	 8,	// 0x1b - FAN 1 PWM value
+	F2OF,	 8,	// 0x1c - FAN 2 OFF Threshold
+	F2ON,	 8,	// 0x1d - FAN 2 ON Threshold
+	F2PW,	 8,	// 0x1e - FAN 2 PWM value
+	F3OF,	 8,	// 0x1f - FAN 3 OFF Threshold
+	F3ON,	 8,	// 0x20 - FAN 3 ON Threshold
+	F3PW,	 8,	// 0x21 - FAN 3 PWM value
+	F4OF,	 8,	// 0x22 - FAN 4 OFF Threshold
+	F4ON,	 8,	// 0x23 - FAN 4 ON Threshold
+	F4PW,	 8,	// 0x24 - FAN 4 PWM value
+	/* Processor Identification */
+	Offset (0x28),
+	APIC,	 8,	// 0x28 - APIC Enabled by coreboot
+	MPEN,	 8,	// 0x29 - Multi Processor Enable
+	PCP0,	 8,	// 0x2a - PDC CPU/CORE 0
+	PCP1,	 8,	// 0x2b - PDC CPU/CORE 1
+	PPCM,	 8,	// 0x2c - Max. PPC state
+	PCNT,	 8,	// 0x2d - Processor count
+	/* Super I/O & CMOS config */
+	Offset (0x32),
+	NATP,	 8,	// 0x32 -
+	S5U0,	 8,	// 0x32 - Enable USB0 in S5
+	S5U1,	 8,	// 0x33 - Enable USB1 in S5
+	S3U0,	 8,	// 0x35 - Enable USB0 in S3
+	S3U1,	 8,	// 0x36 - Enable USB1 in S3
+	S33G,	 8,	// 0x37 - Enable 3G in S3
+	CMEM,	 32,	// 0x38 - CBMEM TOC
+	/* Integrated Graphics Device */
+	Offset (0x3c),
+	IGDS,	 8,	// 0x3c - IGD state (primary = 1)
+	TLST,	 8,	// 0x3d - Display Toggle List pointer
+	CADL,	 8,	// 0x3e - Currently Attached Devices List
+	PADL,	 8,	// 0x3f - Previously Attached Devices List
+	CSTE,	16,	// 0x40 - Current display state
+	NSTE,	16,	// 0x42 - Next display state
+	SSTE,	16,	// 0x44 - Set display state
+	Offset (0x46),
+	NDID,	 8,	// 0x46 - Number of Device IDs
+	DID1,	32,	// 0x47 - Device ID 1
+	DID2,	32,	// 0x4b - Device ID 2
+	DID3,	32,	// 0x4f - Device ID 3
+	DID4,	32,	// 0x53 - Device ID 4
+	DID5,	32,	// 0x57 - Device ID 5
+	/* Backlight Control */
+	Offset (0x64),
+	BLCS,	 8,	// 0x64 - Backlight control possible?
+	BRTL,	 8,	// 0x65 - Brightness Level
+	ODDS,	 8,	// 0x66
+	/* Ambient Light Sensors */
+	Offset (0x6e),
+	ALSE,	 8,	// 0x6e - ALS enable
+	ALAF,	 8,	// 0x6f - Ambient light adjustment factor
+	LLOW,	 8,	// 0x70 - LUX Low
+	LHIH,	 8,	// 0x71 - LUX High
+	/* EMA */
+	Offset (0x78),
+	EMAE,	 8,	// 0x78 - EMA enable
+	EMAP,	16,	// 0x79 - EMA pointer
+	EMAL,	16,	// 0x7b - EMA length
+	/* MEF */
+	Offset (0x82),
+	MEFE,	 8,	// 0x82 - MEF enable
+	/* TPM support */
+	Offset (0x8c),
+	TPMP,	 8,	// 0x8c - TPM
+	TPME,	 8,	// 0x8d - TPM enable
+	/* SATA */
+	Offset (0x96),
+	GTF0,	56,	// 0x96 - GTF task file buffer for port 0
+	GTF1,	56,	// 0x9d - GTF task file buffer for port 1
+	GTF2,	56,	// 0xa4 - GTF task file buffer for port 2
+	IDEM,	 8,	// 0xab - IDE mode (compatible / enhanced)
+	IDET,	 8,	// 0xac - IDE
+	/* IGD OpRegion */
+	Offset (0xb4),
+	ASLB,	32,	// 0xb4 - IGD OpRegion Base Address
+	IBTT,	 8,	// 0xb8 - IGD boot panel device
+	IPAT,	 8,	// 0xb9 - IGD panel type cmos option
+	ITVF,	 8,	// 0xba - IGD TV format cmos option
+	ITVM,	 8,	// 0xbb - IGD TV minor format option
+	IPSC,	 8,	// 0xbc - IGD panel scaling
+	IBLC,	 8,	// 0xbd - IGD BLC config
+	IBIA,	 8,	// 0xbe - IGD BIA config
+	ISSC,	 8,	// 0xbf - IGD SSC config
+	I409,	 8,	// 0xc0 - IGD 0409 modified settings
+	I509,	 8,	// 0xc1 - IGD 0509 modified settings
+	I609,	 8,	// 0xc2 - IGD 0609 modified settings
+	I709,	 8,	// 0xc3 - IGD 0709 modified settings
+	IDMM,	 8,	// 0xc4 - IGD DVMT Mode
+	IDMS,	 8,	// 0xc5 - IGD DVMT memory size
+	IF1E,	 8,	// 0xc6 - IGD function 1 enable
+	HVCO,	 8,	// 0xc7 - IGD HPLL VCO
+	NXD1,	32,	// 0xc8 - IGD _DGS next DID1
+	NXD2,	32,	// 0xcc - IGD _DGS next DID2
+	NXD3,	32,	// 0xd0 - IGD _DGS next DID3
+	NXD4,	32,	// 0xd4 - IGD _DGS next DID4
+	NXD5,	32,	// 0xd8 - IGD _DGS next DID5
+	NXD6,	32,	// 0xdc - IGD _DGS next DID6
+	NXD7,	32,	// 0xe0 - IGD _DGS next DID7
+	NXD8,	32,	// 0xe4 - IGD _DGS next DID8
+
+	/* ChromeOS specific */
+	Offset (0xf0),
+	#include <vendorcode/google/chromeos/acpi/gnvs.asl>
+	// 0xe8a - end
+}
+
+/* Set flag to enable USB charging in S3 */
+Method (S3UE)
+{
+	Store (One, \S3U0)
+	Store (One, \S3U1)
+}
+
+/* Set flag to disable USB charging in S3 */
+Method (S3UD)
+{
+	Store (Zero, \S3U0)
+	Store (Zero, \S3U1)
+}
+
+/* Set flag to enable USB charging in S5 */
+Method (S5UE)
+{
+	Store (One, \S5U0)
+	Store (One, \S5U1)
+}
+
+/* Set flag to disable USB charging in S5 */
+Method (S5UD)
+{
+	Store (Zero, \S5U0)
+	Store (Zero, \S5U1)
+}
+
+/* Set flag to enable 3G module in S3 */
+Method (S3GE)
+{
+	Store (One, \S33G)
+}
+
+/* Set flag to disable 3G module in S3 */
+Method (S3GD)
+{
+	Store (Zero, \S33G)
+}
+
+/* Update Fan 0 thresholds */
+Method (F0UT, 2)
+{
+	Store (Arg0, \F0OF)
+	Store (Arg1, \F0ON)
+}
+
+/* Update Fan 1 thresholds */
+Method (F1UT, 2)
+{
+	Store (Arg0, \F1OF)
+	Store (Arg1, \F1ON)
+}
+
+/* Update Fan 2 thresholds */
+Method (F2UT, 2)
+{
+	Store (Arg0, \F2OF)
+	Store (Arg1, \F2ON)
+}
+
+/* Update Fan 3 thresholds */
+Method (F3UT, 2)
+{
+	Store (Arg0, \F3OF)
+	Store (Arg1, \F3ON)
+}
+
+/* Update Fan 4 thresholds */
+Method (F4UT, 2)
+{
+	Store (Arg0, \F4OF)
+	Store (Arg1, \F4ON)
+}
diff --git a/src/southbridge/intel/bd82x6x/acpi/irqlinks.asl b/src/southbridge/intel/bd82x6x/acpi/irqlinks.asl
new file mode 100644
index 0000000000..5fcee45f29
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/acpi/irqlinks.asl
@@ -0,0 +1,493 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+Device (LNKA)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 1)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTA)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared)
+			{ 1, 3, 4, 5, 6, 7, 10, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLA, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLA, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTA
+		ShiftLeft(1, And(PRTA, 0x0f), IRQ0)
+
+		Return (RTLA)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTA)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And(PRTA, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKB)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 2)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTB)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared)
+			{ 1, 3, 4, 5, 6, 7, 11, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLB, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLB, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTB
+		ShiftLeft(1, And(PRTB, 0x0f), IRQ0)
+
+		Return (RTLB)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTB)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And(PRTB, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKC)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 3)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTC)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared)
+			{ 1, 3, 4, 5, 6, 7, 10, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLC, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLC, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTC
+		ShiftLeft(1, And(PRTC, 0x0f), IRQ0)
+
+		Return (RTLC)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTC)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And(PRTC, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKD)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 4)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTD)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared)
+			{ 1, 3, 4, 5, 6, 7, 11, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLD, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLD, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTD
+		ShiftLeft(1, And(PRTD, 0x0f), IRQ0)
+
+		Return (RTLD)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTD)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And(PRTD, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKE)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 5)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTE)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared)
+			{ 1, 3, 4, 5, 6, 7, 10, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLE, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLE, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTE
+		ShiftLeft(1, And(PRTE, 0x0f), IRQ0)
+
+		Return (RTLE)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTE)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And(PRTE, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKF)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 6)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTF)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared)
+			{ 1, 3, 4, 5, 6, 7, 11, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLF, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLF, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTF
+		ShiftLeft(1, And(PRTF, 0x0f), IRQ0)
+
+		Return (RTLF)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTF)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And(PRTF, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKG)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 7)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTG)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared)
+			{ 1, 3, 4, 5, 6, 7, 10, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLG, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLG, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTG
+		ShiftLeft(1, And(PRTG, 0x0f), IRQ0)
+
+		Return (RTLG)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTG)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And(PRTG, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKH)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 8)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTH)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared)
+			{ 1, 3, 4, 5, 6, 7, 11, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLH, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLH, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTH
+		ShiftLeft(1, And(PRTH, 0x0f), IRQ0)
+
+		Return (RTLH)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTH)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And(PRTH, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
diff --git a/src/southbridge/intel/bd82x6x/acpi/lpc.asl b/src/southbridge/intel/bd82x6x/acpi/lpc.asl
new file mode 100644
index 0000000000..cc59850ec4
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/acpi/lpc.asl
@@ -0,0 +1,248 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+// Intel LPC Bus Device  - 0:1f.0
+
+Device (LPCB)
+{
+	Name(_ADR, 0x001f0000)
+
+	OperationRegion(LPC0, PCI_Config, 0x00, 0x100)
+	Field (LPC0, AnyAcc, NoLock, Preserve)
+	{
+		Offset (0x40),
+		PMBS,	16,	// PMBASE
+		Offset (0x60),	// Interrupt Routing Registers
+		PRTA,	8,
+		PRTB,	8,
+		PRTC,	8,
+		PRTD,	8,
+		Offset (0x68),
+		PRTE,	8,
+		PRTF,	8,
+		PRTG,	8,
+		PRTH,	8,
+
+		Offset (0x80),	// IO Decode Ranges
+		IOD0,	8,
+		IOD1,	8,
+
+		Offset (0xb8),	// GPIO Routing Control
+		GR00,	 2,
+		GR01,	 2,
+		GR02,	 2,
+		GR03,	 2,
+		GR04,	 2,
+		GR05,	 2,
+		GR06,	 2,
+		GR07,	 2,
+		GR08,	 2,
+		GR09,	 2,
+		GR10,	 2,
+		GR11,	 2,
+		GR12,	 2,
+		GR13,	 2,
+		GR14,	 2,
+		GR15,	 2,
+
+		Offset (0xf0),	// RCBA
+		RCEN,	1,
+		,	13,
+		RCBA,	18,
+	}
+
+	#include "irqlinks.asl"
+
+	#include "acpi/ec.asl"
+
+	Device (DMAC)		// DMA Controller
+	{
+		Name(_HID, EISAID("PNP0200"))
+		Name(_CRS, ResourceTemplate()
+		{
+			IO (Decode16, 0x00, 0x00, 0x01, 0x20)
+			IO (Decode16, 0x81, 0x81, 0x01, 0x11)
+			IO (Decode16, 0x93, 0x93, 0x01, 0x0d)
+			IO (Decode16, 0xc0, 0xc0, 0x01, 0x20)
+			DMA (Compatibility, NotBusMaster, Transfer8_16) { 4 }
+		})
+	}
+
+	Device (FWH)		// Firmware Hub
+	{
+		Name (_HID, EISAID("INT0800"))
+		Name (_CRS, ResourceTemplate()
+		{
+			Memory32Fixed(ReadOnly, 0xff000000, 0x01000000)
+		})
+	}
+
+	Device (HPET)
+	{
+		Name (_HID, EISAID("PNP0103"))
+		Name (_CID, 0x010CD041)
+
+		Name(BUF0, ResourceTemplate()
+		{
+			Memory32Fixed(ReadOnly, 0xfed00000, 0x400, FED0)
+		})
+
+		Method (_STA, 0)	// Device Status
+		{
+			If (HPTE) {
+				// Note: Ancient versions of Windows don't want
+				// to see the HPET in order to work right
+				If (LGreaterEqual(OSYS, 2001)) {
+					Return (0xf)	// Enable and show device
+				} Else {
+					Return (0xb)	// Enable and don't show device
+				}
+			}
+
+			Return (0x0)	// Not enabled, don't show.
+		}
+
+		Method (_CRS, 0, Serialized) // Current resources
+		{
+			If (HPTE) {
+				CreateDWordField(BUF0, \_SB.PCI0.LPCB.HPET.FED0._BAS, HPT0)
+				If (Lequal(HPAS, 1)) {
+					Store(0xfed01000, HPT0)
+				}
+
+				If (Lequal(HPAS, 2)) {
+					Store(0xfed02000, HPT0)
+				}
+
+				If (Lequal(HPAS, 3)) {
+					Store(0xfed03000, HPT0)
+				}
+			}
+
+			Return (BUF0)
+		}
+	}
+
+	Device(PIC)	// 8259 Interrupt Controller
+	{
+		Name(_HID,EISAID("PNP0000"))
+		Name(_CRS, ResourceTemplate()
+		{
+			IO (Decode16, 0x20, 0x20, 0x01, 0x02)
+			IO (Decode16, 0x24, 0x24, 0x01, 0x02)
+			IO (Decode16, 0x28, 0x28, 0x01, 0x02)
+			IO (Decode16, 0x2c, 0x2c, 0x01, 0x02)
+			IO (Decode16, 0x30, 0x30, 0x01, 0x02)
+			IO (Decode16, 0x34, 0x34, 0x01, 0x02)
+			IO (Decode16, 0x38, 0x38, 0x01, 0x02)
+			IO (Decode16, 0x3c, 0x3c, 0x01, 0x02)
+			IO (Decode16, 0xa0, 0xa0, 0x01, 0x02)
+			IO (Decode16, 0xa4, 0xa4, 0x01, 0x02)
+			IO (Decode16, 0xa8, 0xa8, 0x01, 0x02)
+			IO (Decode16, 0xac, 0xac, 0x01, 0x02)
+			IO (Decode16, 0xb0, 0xb0, 0x01, 0x02)
+			IO (Decode16, 0xb4, 0xb4, 0x01, 0x02)
+			IO (Decode16, 0xb8, 0xb8, 0x01, 0x02)
+			IO (Decode16, 0xbc, 0xbc, 0x01, 0x02)
+			IO (Decode16, 0x4d0, 0x4d0, 0x01, 0x02)
+			IRQNoFlags () { 2 }
+		})
+	}
+
+	Device(MATH)	// FPU
+	{
+		Name (_HID, EISAID("PNP0C04"))
+		Name (_CRS, ResourceTemplate()
+		{
+			IO (Decode16, 0xf0, 0xf0, 0x01, 0x01)
+			IRQNoFlags() { 13 }
+		})
+	}
+
+	Device(LDRC)	// LPC device: Resource consumption
+	{
+		Name (_HID, EISAID("PNP0C02"))
+		Name (_UID, 2)
+		Name (_CRS, ResourceTemplate()
+		{
+			IO (Decode16, 0x2e, 0x2e, 0x1, 0x02)		// First SuperIO
+			IO (Decode16, 0x4e, 0x4e, 0x1, 0x02)		// Second SuperIO
+			IO (Decode16, 0x61, 0x61, 0x1, 0x01)		// NMI Status
+			IO (Decode16, 0x63, 0x63, 0x1, 0x01)		// CPU Reserved
+			IO (Decode16, 0x65, 0x65, 0x1, 0x01)		// CPU Reserved
+			IO (Decode16, 0x67, 0x67, 0x1, 0x01)		// CPU Reserved
+			IO (Decode16, 0x80, 0x80, 0x1, 0x01)		// Port 80 Post
+			IO (Decode16, 0x92, 0x92, 0x1, 0x01)		// CPU Reserved
+			IO (Decode16, 0xb2, 0xb2, 0x1, 0x02)		// SWSMI
+			//IO (Decode16, 0x800, 0x800, 0x1, 0x10)		// ACPI I/O trap
+			IO (Decode16, DEFAULT_PMBASE, DEFAULT_PMBASE, 0x1, 0x80)	// ICH7-M ACPI
+			IO (Decode16, DEFAULT_GPIOBASE, DEFAULT_GPIOBASE, 0x1, 0x40)	// ICH7-M GPIO
+		})
+	}
+
+	Device (RTC)	// Real Time Clock
+	{
+		Name (_HID, EISAID("PNP0B00"))
+		Name (_CRS, ResourceTemplate()
+		{
+			IO (Decode16, 0x70, 0x70, 1, 8)
+// Disable as Windows doesn't like it, and systems don't seem to use it.
+//			IRQNoFlags() { 8 }
+		})
+	}
+
+	Device (TIMR)	// Intel 8254 timer
+	{
+		Name(_HID, EISAID("PNP0100"))
+		Name(_CRS, ResourceTemplate()
+		{
+			IO (Decode16, 0x40, 0x40, 0x01, 0x04)
+			IO (Decode16, 0x50, 0x50, 0x10, 0x04)
+			IRQNoFlags() {0}
+		})
+	}
+
+	#include "acpi/superio.asl"
+
+#ifdef ENABLE_TPM
+	Device (TPM)		// Trusted Platform Module
+	{
+		Name(_HID, EISAID("IFX0102"))
+		Name(_CID, 0x310cd041)
+		Name(_UID, 1)
+
+		Method(_STA, 0)
+		{
+			If (TPMP) {
+				Return (0xf)
+			}
+			Return (0x0)
+		}
+
+		Name(_CRS, ResourceTemplate() {
+			IO (Decode16, 0x2e, 0x2e, 0x01, 0x02)
+			IO (Decode16, 0x6f0, 0x6f0, 0x01, 0x10)
+			Memory32Fixed (ReadWrite, 0xfed40000, 0x5000)
+			IRQ (Edge, Activehigh, Exclusive) { 6 }
+		})
+	}
+#endif
+}
diff --git a/src/southbridge/intel/bd82x6x/acpi/pch.asl b/src/southbridge/intel/bd82x6x/acpi/pch.asl
new file mode 100644
index 0000000000..3e6651da75
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/acpi/pch.asl
@@ -0,0 +1,269 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+/* Intel Cougar Point PCH support */
+
+Scope(\)
+{
+	// IO-Trap at 0x800. This is the ACPI->SMI communication interface.
+
+	OperationRegion(IO_T, SystemIO, 0x800, 0x10)
+	Field(IO_T, ByteAcc, NoLock, Preserve)
+	{
+		Offset(0x8),
+		TRP0, 8		// IO-Trap at 0x808
+	}
+
+	// PCH Power Management Registers, located at PMBASE (0x1f.0 0x40.l)
+	OperationRegion(PMIO, SystemIO, DEFAULT_PMBASE, 0x80)
+	Field(PMIO, ByteAcc, NoLock, Preserve)
+	{
+		Offset(0x20),	// GPE0_STS
+		, 16,
+		GS00, 1,	// GPIO00 SCI/Wake Status
+		GS01, 1,	// GPIO01 SCI/Wake Status
+		GS02, 1,	// GPIO02 SCI/Wake Status
+		GS03, 1,	// GPIO03 SCI/Wake Status
+		GS04, 1,	// GPIO04 SCI/Wake Status
+		GS05, 1,	// GPIO05 SCI/Wake Status
+		GS06, 1,	// GPIO06 SCI/Wake Status
+		GS07, 1,	// GPIO07 SCI/Wake Status
+		GS08, 1,	// GPIO08 SCI/Wake Status
+		GS09, 1,	// GPIO09 SCI/Wake Status
+		GS10, 1,	// GPIO10 SCI/Wake Status
+		GS11, 1,	// GPIO11 SCI/Wake Status
+		GS12, 1,	// GPIO12 SCI/Wake Status
+		GS13, 1,	// GPIO13 SCI/Wake Status
+		GS14, 1,	// GPIO14 SCI/Wake Status
+		GS15, 1,	// GPIO15 SCI/Wake Status
+		Offset(0x28),	// GPE0_EN
+		, 16,
+		GE00, 1,	// GPIO00 SCI/Wake Enable
+		GE01, 1,	// GPIO01 SCI/Wake Enable
+		GE02, 1,	// GPIO02 SCI/Wake Enable
+		GE03, 1,	// GPIO03 SCI/Wake Enable
+		GE04, 1,	// GPIO04 SCI/Wake Enable
+		GE05, 1,	// GPIO05 SCI/Wake Enable
+		GE06, 1,	// GPIO06 SCI/Wake Enable
+		GE07, 1,	// GPIO07 SCI/Wake Enable
+		GE08, 1,	// GPIO08 SCI/Wake Enable
+		GE09, 1,	// GPIO09 SCI/Wake Enable
+		GE10, 1,	// GPIO10 SCI/Wake Enable
+		GE11, 1,	// GPIO11 SCI/Wake Enable
+		GE12, 1,	// GPIO12 SCI/Wake Enable
+		GE13, 1,	// GPIO13 SCI/Wake Enable
+		GE14, 1,	// GPIO14 SCI/Wake Enable
+		GE15, 1,	// GPIO15 SCI/Wake Enable
+		Offset(0x42),	// General Purpose Control
+		, 1,		// skip 1 bit
+		GPEC, 1,	// SWGPE_CTRL
+	}
+
+	// GPIO IO mapped registers (0x1f.0 reg 0x48.l)
+	OperationRegion(GPIO, SystemIO, DEFAULT_GPIOBASE, 0x6c)
+	Field(GPIO, ByteAcc, NoLock, Preserve)
+	{
+		Offset(0x00),	// GPIO Use Select
+		GU00, 8,
+		GU01, 8,
+		GU02, 8,
+		GU03, 8,
+		Offset(0x04),	// GPIO IO Select
+		GIO0, 8,
+		GIO1, 8,
+		GIO2, 8,
+		GIO3, 8,
+		Offset(0x0c),	// GPIO Level
+		GL00, 1,
+		GP01, 1,
+		GP02, 1,
+		GP0e, 1,
+		GP04, 1,
+		GP05, 1,
+		GP06, 1,
+		GP07, 1,
+		GP08, 1,
+		GP09, 1,
+		GP10, 1,
+		GP11, 1,
+		GP12, 1,
+		GP13, 1,
+		GP14, 1,
+		GP15, 1,
+		GP16, 1,
+		GP17, 1,
+		GP18, 1,
+		GP19, 1,
+		GP20, 1,
+		GP21, 1,
+		GP22, 1,
+		GP23, 1,
+		GP24, 1,
+		GP25, 1,
+		GP26, 1,
+		GP27, 1,
+		GP28, 1,
+		GP29, 1,
+		GP30, 1,
+		GP31, 1,
+		Offset(0x18),	// GPIO Blink
+		GB00, 8,
+		GB01, 8,
+		GB02, 8,
+		GB03, 8,
+		Offset(0x2c),	// GPIO Invert
+		GIV0, 8,
+		GIV1, 8,
+		GIV2, 8,
+		GIV3, 8,
+		Offset(0x30),	// GPIO Use Select 2
+		GU04, 8,
+		GU05, 8,
+		GU06, 8,
+		GU07, 8,
+		Offset(0x34),	// GPIO IO Select 2
+		GIO4, 8,
+		GIO5, 8,
+		GIO6, 8,
+		GIO7, 8,
+		Offset(0x38),	// GPIO Level 2
+		GP32, 1,
+		GP33, 1,
+		GP34, 1,
+		GP35, 1,
+		GP36, 1,
+		GP37, 1,
+		GP38, 1,
+		GP39, 1,
+		GP40, 1,
+		GP41, 1,
+		GP42, 1,
+		GP43, 1,
+		GP44, 1,
+		GP45, 1,
+		GP46, 1,
+		GP47, 1,
+		GP48, 1,
+		GP49, 1,
+		GP50, 1,
+		GP51, 1,
+		GP52, 1,
+		GP53, 1,
+		GP54, 1,
+		GP55, 1,
+		GP56, 1,
+		GP57, 1,
+		GP58, 1,
+		GP59, 1,
+		GP60, 1,
+		GP61, 1,
+		GP62, 1,
+		GP63, 1,
+		Offset(0x40),	// GPIO Use Select 3
+		GU08, 8,
+		GU09, 4,
+		Offset(0x44),	// GPIO IO Select 3
+		GIO8, 8,
+		GIO9, 4,
+		Offset(0x48),	// GPIO Level 3
+		GP64, 1,
+		GP65, 1,
+		GP66, 1,
+		GP67, 1,
+		GP68, 1,
+		GP69, 1,
+		GP70, 1,
+		GP71, 1,
+		GP72, 1,
+		GP73, 1,
+		GP74, 1,
+		GP75, 1,
+	}
+
+
+	// ICH7 Root Complex Register Block. Memory Mapped through RCBA)
+	OperationRegion(RCRB, SystemMemory, DEFAULT_RCBA, 0x4000)
+	Field(RCRB, DWordAcc, Lock, Preserve)
+	{
+		Offset(0x0000), // Backbone
+		Offset(0x1000), // Chipset
+		Offset(0x3000), // Legacy Configuration Registers
+		Offset(0x3404), // High Performance Timer Configuration
+		HPAS, 2, 	// Address Select
+		, 5,
+		HPTE, 1,	// Address Enable
+		Offset(0x3418), // FD (Function Disable)
+		, 2,		// Reserved
+		SATD, 1,	// SATA disable
+		SMBD, 1,	// SMBUS disable
+		HDAD, 1,	// Azalia disable
+		, 2,		// Reserved
+		ILND, 1,	// Internal LAN disable
+		US1D, 1,	// UHCI #1 disable
+		US2D, 1,	// UHCI #2 disable
+		US3D, 1,	// UHCI #3 disable
+		US4D, 1,	// UHCI #4 disable
+		, 2,		// Reserved
+		LPBD, 1,	// LPC bridge disable
+		EHCD, 1,	// EHCI disable
+		Offset(0x341a), // FD Root Ports
+		RP1D, 1,	// Root Port 1 disable
+		RP2D, 1,	// Root Port 2 disable
+		RP3D, 1,	// Root Port 3 disable
+		RP4D, 1		// Root Port 4 disable
+	}
+
+}
+
+// High Definition Audio (Azalia) 0:1b.0
+#include "audio.asl"
+
+// PCI Express Ports 0:1c.x
+#include "pcie.asl"
+
+// USB 0:1d.0 and 0:1a.0
+#include "usb.asl"
+
+// LPC Bridge 0:1f.0
+#include "lpc.asl"
+
+// SATA 0:1f.2, 0:1f.5
+#include "sata.asl"
+
+// SMBus 0:1f.3
+#include "smbus.asl"
+
+Method (_OSC, 4)
+{
+	/* Check for proper GUID */
+	If (LEqual (Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766")))
+	{
+		/* Let OS control everything */
+		Return (Arg3)
+	}
+	Else
+	{
+		/* Unrecognized UUID */
+		CreateDWordField (Arg3, 0, CDW1)
+		Or (CDW1, 4, CDW1)
+		Return (Arg3)
+	}
+}
diff --git a/src/southbridge/intel/bd82x6x/acpi/pcie.asl b/src/southbridge/intel/bd82x6x/acpi/pcie.asl
new file mode 100644
index 0000000000..f6b93bf716
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/acpi/pcie.asl
@@ -0,0 +1,234 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+/* Intel Cougar Point PCH PCIe support */
+
+// PCI Express Ports
+
+Device (RP01)
+{
+	NAME(_ADR, 0x001c0000) // FIXME: Have a macro for PCI Devices -> ACPI notation?
+	//#include "pcie_port.asl"
+	Method(_PRT)
+	{
+		If (PICM) {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, 0, 16 },
+				Package() { 0x0000ffff, 1, 0, 17 },
+				Package() { 0x0000ffff, 2, 0, 18 },
+				Package() { 0x0000ffff, 3, 0, 19 }
+			})
+		} Else {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
+				Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKB, 0 },
+				Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKC, 0 },
+				Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKD, 0 }
+			})
+
+		}
+
+	}
+}
+
+Device (RP02)
+{
+	NAME(_ADR, 0x001c0001) // FIXME: Have a macro for PCI Devices -> ACPI notation?
+	//#include "pcie_port.asl"
+	Method(_PRT)
+	{
+		If (PICM) {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, 0, 17 },
+				Package() { 0x0000ffff, 1, 0, 18 },
+				Package() { 0x0000ffff, 2, 0, 19 },
+				Package() { 0x0000ffff, 3, 0, 16 }
+			})
+		} Else {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKB, 0 },
+				Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKC, 0 },
+				Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKD, 0 },
+				Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKA, 0 }
+			})
+
+		}
+
+	}
+}
+
+Device (RP03)
+{
+	NAME(_ADR, 0x001c0002) // FIXME: Have a macro for PCI Devices -> ACPI notation?
+	//#include "pcie_port.asl"
+	Method(_PRT)
+	{
+		If (PICM) {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, 0, 18 },
+				Package() { 0x0000ffff, 1, 0, 19 },
+				Package() { 0x0000ffff, 2, 0, 16 },
+				Package() { 0x0000ffff, 3, 0, 17 }
+			})
+		} Else {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKC, 0 },
+				Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKD, 0 },
+				Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKA, 0 },
+				Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKB, 0 }
+			})
+
+		}
+
+	}
+}
+
+Device (RP04)
+{
+	NAME(_ADR, 0x001c0003) // FIXME: Have a macro for PCI Devices -> ACPI notation?
+	//#include "pcie_port.asl"
+	Method(_PRT)
+	{
+		If (PICM) {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, 0, 17 },
+				Package() { 0x0000ffff, 1, 0, 18 },
+				Package() { 0x0000ffff, 2, 0, 19 },
+				Package() { 0x0000ffff, 3, 0, 16 }
+			})
+		} Else {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKB, 0 },
+				Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKC, 0 },
+				Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKD, 0 },
+				Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKA, 0 }
+			})
+
+		}
+
+	}
+}
+
+Device (RP05)
+{
+	NAME(_ADR, 0x001c0004) // FIXME: Have a macro for PCI Devices -> ACPI notation?
+	//#include "pcie_port.asl"
+	Method(_PRT)
+	{
+		If (PICM) {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, 0, 16 },
+				Package() { 0x0000ffff, 1, 0, 17 },
+				Package() { 0x0000ffff, 2, 0, 18 },
+				Package() { 0x0000ffff, 3, 0, 19 }
+			})
+		} Else {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
+				Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKB, 0 },
+				Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKC, 0 },
+				Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKD, 0 }
+			})
+
+		}
+
+	}
+}
+
+Device (RP06)
+{
+	NAME(_ADR, 0x001c0005) // FIXME: Have a macro for PCI Devices -> ACPI notation?
+	//#include "pcie_port.asl"
+	Method(_PRT)
+	{
+		If (PICM) {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, 0, 17 },
+				Package() { 0x0000ffff, 1, 0, 18 },
+				Package() { 0x0000ffff, 2, 0, 19 },
+				Package() { 0x0000ffff, 3, 0, 16 }
+			})
+		} Else {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKB, 0 },
+				Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKC, 0 },
+				Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKD, 0 },
+				Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKA, 0 }
+			})
+
+		}
+
+	}
+}
+
+Device (RP07)
+{
+	NAME(_ADR, 0x001c0006) // FIXME: Have a macro for PCI Devices -> ACPI notation?
+	//#include "pcie_port.asl"
+	Method(_PRT)
+	{
+		If (PICM) {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, 0, 18 },
+				Package() { 0x0000ffff, 1, 0, 19 },
+				Package() { 0x0000ffff, 2, 0, 16 },
+				Package() { 0x0000ffff, 3, 0, 17 }
+			})
+		} Else {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKC, 0 },
+				Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKD, 0 },
+				Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKA, 0 },
+				Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKB, 0 }
+			})
+
+		}
+
+	}
+}
+
+Device (RP08)
+{
+	NAME(_ADR, 0x001c0007) // FIXME: Have a macro for PCI Devices -> ACPI notation?
+	//#include "pcie_port.asl"
+	Method(_PRT)
+	{
+		If (PICM) {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, 0, 19 },
+				Package() { 0x0000ffff, 1, 0, 16 },
+				Package() { 0x0000ffff, 2, 0, 17 },
+				Package() { 0x0000ffff, 3, 0, 18 }
+			})
+		} Else {
+			Return (Package() {
+				Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKD, 0 },
+				Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKA, 0 },
+				Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKB, 0 },
+				Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKC, 0 }
+			})
+
+		}
+
+	}
+}
+
+
diff --git a/src/southbridge/intel/bd82x6x/acpi/sata.asl b/src/southbridge/intel/bd82x6x/acpi/sata.asl
new file mode 100644
index 0000000000..e0c336ac5d
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/acpi/sata.asl
@@ -0,0 +1,83 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+// Intel SATA Controller 0:1f.2
+
+// Note: Some BIOSes put the S-ATA code into an SSDT to make it easily
+// pluggable
+
+Device (SATA)
+{
+	Name (_ADR, 0x001f0002)
+
+	Device (PRID)
+	{
+		Name (_ADR, 0)
+
+		// Get Timing Mode
+		Method (_GTM)
+		{
+			Name(PBUF, Buffer(20) {
+				0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+				0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+				0x00,0x00,0x00,0x00 })
+
+			CreateDwordField (PBUF,  0, PIO0)
+			CreateDwordField (PBUF,  4, DMA0)
+			CreateDwordField (PBUF,  8, PIO1)
+			CreateDwordField (PBUF, 12, DMA1)
+			CreateDwordField (PBUF, 16, FLAG)
+
+			// TODO fill return structure
+
+			Return (PBUF)
+		}
+
+		// Set Timing Mode
+		Method (_STM, 3)
+		{
+			CreateDwordField (Arg0,  0, PIO0)
+			CreateDwordField (Arg0,  4, DMA0)
+			CreateDwordField (Arg0,  8, PIO1)
+			CreateDwordField (Arg0, 12, DMA1)
+			CreateDwordField (Arg0, 16, FLAG)
+
+			// TODO: Do the deed
+		}
+
+		Device (DSK0)
+		{
+			Name (_ADR, 0)
+			// TODO: _RMV ?
+			// TODO: _GTF ?
+		}
+
+		Device (DSK1)
+		{
+			Name (_ADR, 1)
+
+			// TODO: _RMV ?
+			// TODO: _GTF ?
+		}
+
+	}
+}
+
diff --git a/src/southbridge/intel/bd82x6x/acpi/sleepstates.asl b/src/southbridge/intel/bd82x6x/acpi/sleepstates.asl
new file mode 100644
index 0000000000..06bfcb6a58
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/acpi/sleepstates.asl
@@ -0,0 +1,27 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+Name(\_S0, Package(){0x0,0x0,0x0,0x0})
+// Name(\_S1, Package(){0x1,0x1,0x0,0x0})
+Name(\_S3, Package(){0x5,0x5,0x0,0x0})
+Name(\_S4, Package(){0x6,0x6,0x0,0x0})
+Name(\_S5, Package(){0x7,0x7,0x0,0x0})
+
diff --git a/src/southbridge/intel/bd82x6x/acpi/smbus.asl b/src/southbridge/intel/bd82x6x/acpi/smbus.asl
new file mode 100644
index 0000000000..4409308325
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/acpi/smbus.asl
@@ -0,0 +1,242 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+// Intel SMBus Controller 0:1f.3
+
+Device (SBUS)
+{
+	Name (_ADR, 0x001f0003)
+
+#ifdef ENABLE_SMBUS_METHODS
+	OperationRegion (SMBP, PCI_Config, 0x00, 0x100)
+	Field(SMBP, DWordAcc, NoLock, Preserve)
+	{
+		Offset(0x40),
+		,	2,
+		I2CE,	1
+	}
+
+	OperationRegion (SMBI, SystemIO, SMBUS_IO_BASE, 0x20)
+	Field (SMBI, ByteAcc, NoLock, Preserve)
+	{
+		HSTS,	8,	// Host Status
+		,	8,
+		HCNT,	8,	// Host Control
+		HCMD,	8,	// Host Command
+		TXSA,	8,	// Transmit Slave Address
+		DAT0,	8,	// Host Data 0
+		DAT1,	8,	// Host Data 1
+		HBDB,	8,	// Host Block Data Byte
+		PECK,	8,	// Packet Error Check
+		RXSA,	8,	// Receive Slave Address
+		RXDA,	16,	// Receive Slave Data
+		AUXS,	8,	// Auxiliary Status
+		AUXC,	8,	// Auxiliary Control
+		SLPC,	8,	// SMLink Pin Control
+		SBPC,	8,	// SMBus Pin Control
+		SSTS,	8,	// Slave Status
+		SCMD,	8,	// Slave Command
+		NADR,	8,	// Notify Device Address
+		NDLB,	8,	// Notify Data Low Byte
+		NDLH,	8,	// Notify Data High Byte
+	}
+
+	// Kill all SMBus communication
+	Method (KILL, 0, Serialized)
+	{
+		Or (HCNT, 0x02, HCNT)	// Send Kill
+		Or (HSTS, 0xff, HSTS)	// Clean Status
+	}
+
+	// Check if last operation completed
+	// return	Failure = 0, Success = 1
+	Method (CMPL, 0, Serialized)
+	{
+		Store (4000, Local0)		// Timeout 200ms in 50us steps
+		While (Local0) {
+			If (And(HSTS, 0x02)) {	// Completion Status?
+				Return (1)	// Operation Completed
+			} Else {
+				Stall (50)
+				Decrement (Local0)
+				If (LEqual(Local0, 0)) {
+					KILL()
+				}
+			}
+		}
+
+		Return (0)		//  Failure
+	}
+
+
+	// Wait for SMBus to become ready
+	Method (SRDY, 0, Serialized)
+	{
+		Store (200, Local0)	// Timeout 200ms
+		While (Local0) {
+			If (And(HSTS, 0x40)) {		// IN_USE?
+				Sleep(1)		// Wait 1ms
+				Decrement(Local0)	// timeout--
+				If (LEqual(Local0, 0)) {
+					Return (1)
+				}
+			} Else {
+				Store (0, Local0)	// We're ready
+			}
+		}
+
+		Store (4000, Local0)	// Timeout 200ms (50us * 4000)
+		While (Local0) {
+			If (And (HSTS, 0x01)) {		// Host Busy?
+				Stall(50)		// Wait 50us
+				Decrement(Local0)	// timeout--
+				If (LEqual(Local0, 0)) {
+					KILL()
+				}
+			} Else {
+				Return (0)		// Success
+			}
+		}
+
+		Return (1)		// Failure
+	}
+
+	// SMBus Send Byte
+	// Arg0:	Address
+	// Arg1:	Data
+	// Return:	1 = Success, 0=Failure
+
+	Method (SSXB, 2, Serialized)
+	{
+
+		// Is the SMBus Controller Ready?
+		If (SRDY()) {
+			Return (0)
+		}
+
+		// Send Byte
+		Store (0, I2CE)		// SMBus Enable
+		Store (0xbf, HSTS)
+		Store (Arg0, TXSA)	// Write Address
+		Store (Arg1, HCMD)	// Write Data
+
+		Store (0x48, HCNT)	// Start + Byte Data Protocol
+
+		If (CMPL()) {
+			Or (HSTS, 0xff, HSTS)	// Clean up
+			Return (1)		// Success
+		}
+
+		Return (0)
+	}
+
+
+	// SMBus Receive Byte
+	// Arg0:	Address
+	// Return:	0xffff = Failure, Data (8bit) = Success
+
+	Method (SRXB, 2, Serialized)
+	{
+
+		// Is the SMBus Controller Ready?
+		If (SRDY()) {
+			Return (0xffff)
+		}
+
+		// Receive Byte
+		Store (0, I2CE)		// SMBus Enable
+		Store (0xbf, HSTS)
+		Store (Or (Arg0, 1), TXSA)	// Write Address
+
+		Store (0x44, HCNT)	// Start
+
+		If (CMPL()) {
+			Or (HSTS, 0xff, HSTS)	// Clean up
+			Return (DAT0)		// Success
+		}
+
+		Return (0xffff)
+	}
+
+
+	// SMBus Write Byte
+	// Arg0:	Address
+	// Arg1:	Command
+	// Arg2:	Data
+	// Return:	1 = Success, 0=Failure
+
+	Method (SWRB, 3, Serialized)
+	{
+
+		// Is the SMBus Controller Ready?
+		If (SRDY()) {
+			Return (0)
+		}
+
+		// Send Byte
+		Store (0, I2CE)		// SMBus Enable
+		Store (0xbf, HSTS)
+		Store (Arg0, TXSA)	// Write Address
+		Store (Arg1, HCMD)	// Write Command
+		Store (Arg2, DAT0)	// Write Data
+
+		Store (0x48, HCNT)	// Start + Byte Protocol
+
+		If (CMPL()) {
+			Or (HSTS, 0xff, HSTS)	// Clean up
+			Return (1)		// Success
+		}
+
+		Return (0)
+	}
+
+
+	// SMBus Read Byte
+	// Arg0:	Address
+	// Arg1:	Command
+	// Return:	0xffff = Failure, Data (8bit) = Success
+
+	Method (SRDB, 2, Serialized)
+	{
+
+		// Is the SMBus Controller Ready?
+		If (SRDY()) {
+			Return (0xffff)
+		}
+
+		// Receive Byte
+		Store (0, I2CE)			// SMBus Enable
+		Store (0xbf, HSTS)
+		Store (Or (Arg0, 1), TXSA)	// Write Address
+		Store (Arg1, HCMD)		// Command
+
+		Store (0x48, HCNT)		// Start
+
+		If (CMPL()) {
+			Or (HSTS, 0xff, HSTS)	// Clean up
+			Return (DAT0)		// Success
+		}
+
+		Return (0xffff)
+	}
+#endif
+}
+
diff --git a/src/southbridge/intel/bd82x6x/acpi/usb.asl b/src/southbridge/intel/bd82x6x/acpi/usb.asl
new file mode 100644
index 0000000000..cf3e6a049f
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/acpi/usb.asl
@@ -0,0 +1,91 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+/* Intel Cougar Point USB support */
+
+// EHCI Controller 0:1d.0
+
+Device (EHC1)
+{
+	Name(_ADR, 0x001d0000)
+
+	Name (_PRW, Package(){ 13, 4 }) // Power Resources for Wake
+
+	// Leave USB ports on for to allow Wake from USB
+
+	Method(_S3D,0)	// Highest D State in S3 State
+	{
+		Return (2)
+	}
+
+	Method(_S4D,0)	// Highest D State in S4 State
+	{
+		Return (2)
+	}
+
+	Device (HUB7)
+	{
+		Name (_ADR, 0x00000000)
+
+		// How many are there?
+		Device (PRT1) { Name (_ADR, 1) } // USB Port 0
+		Device (PRT2) { Name (_ADR, 2) } // USB Port 1
+		Device (PRT3) { Name (_ADR, 3) } // USB Port 2
+		Device (PRT4) { Name (_ADR, 4) } // USB Port 3
+		Device (PRT5) { Name (_ADR, 5) } // USB Port 4
+		Device (PRT6) { Name (_ADR, 6) } // USB Port 5
+	}
+}
+
+// EHCI #2 Controller 0:1a.0
+
+Device (EHC2)
+{
+	Name(_ADR, 0x001a0000)
+
+	Name (_PRW, Package(){ 13, 4 }) // Power Resources for Wake
+
+	// Leave USB ports on for to allow Wake from USB
+
+	Method(_S3D,0)	// Highest D State in S3 State
+	{
+		Return (2)
+	}
+
+	Method(_S4D,0)	// Highest D State in S4 State
+	{
+		Return (2)
+	}
+
+	Device (HUB7)
+	{
+		Name (_ADR, 0x00000000)
+
+		// How many are there?
+		Device (PRT1) { Name (_ADR, 1) } // USB Port 0
+		Device (PRT2) { Name (_ADR, 2) } // USB Port 1
+		Device (PRT3) { Name (_ADR, 3) } // USB Port 2
+		Device (PRT4) { Name (_ADR, 4) } // USB Port 3
+		Device (PRT5) { Name (_ADR, 5) } // USB Port 4
+		Device (PRT6) { Name (_ADR, 6) } // USB Port 5
+	}
+}
+
diff --git a/src/southbridge/intel/bd82x6x/azalia.c b/src/southbridge/intel/bd82x6x/azalia.c
new file mode 100644
index 0000000000..5a83e38535
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/azalia.c
@@ -0,0 +1,367 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <arch/io.h>
+#include <delay.h>
+#include "pch.h"
+
+#define HDA_ICII_REG 0x68
+#define   HDA_ICII_BUSY (1 << 0)
+#define   HDA_ICII_VALID  (1 << 1)
+
+typedef struct southbridge_intel_bd82x6x_config config_t;
+
+static int set_bits(u32 port, u32 mask, u32 val)
+{
+	u32 reg32;
+	int count;
+
+	/* Write (val & mask) to port */
+	val &= mask;
+	reg32 = read32(port);
+	reg32 &= ~mask;
+	reg32 |= val;
+	write32(port, reg32);
+
+	/* Wait for readback of register to
+	 * match what was just written to it
+	 */
+	count = 50;
+	do {
+		/* Wait 1ms based on BKDG wait time */
+		mdelay(1);
+		reg32 = read32(port);
+		reg32 &= mask;
+	} while ((reg32 != val) && --count);
+
+	/* Timeout occurred */
+	if (!count)
+		return -1;
+	return 0;
+}
+
+static int codec_detect(u32 base)
+{
+	u8 reg8;
+
+	/* Set Bit 0 to 1 to exit reset state (BAR + 0x8)[0] */
+	if (set_bits(base + 0x08, 1, 1) == -1)
+		goto no_codec;
+
+	/* Write back the value once reset bit is set. */
+	write16(base + 0x0, read16(base + 0x0));
+
+	/* Read in Codec location (BAR + 0xe)[2..0]*/
+	reg8 = read8(base + 0xe);
+	reg8 &= 0x0f;
+	if (!reg8)
+		goto no_codec;
+
+	return reg8;
+
+no_codec:
+	/* Codec Not found */
+	/* Put HDA back in reset (BAR + 0x8) [0] */
+	set_bits(base + 0x08, 1, 0);
+	printk(BIOS_DEBUG, "Azalia: No codec!\n");
+	return 0;
+}
+
+const u32 * cim_verb_data = NULL;
+u32 cim_verb_data_size = 0;
+
+static u32 find_verb(struct device *dev, u32 viddid, const u32 ** verb)
+{
+	int idx=0;
+
+	while (idx < (cim_verb_data_size / sizeof(u32))) {
+		u32 verb_size = 4 * cim_verb_data[idx+2]; // in u32
+		if (cim_verb_data[idx] != viddid) {
+			idx += verb_size + 3; // skip verb + header
+			continue;
+		}
+		*verb = &cim_verb_data[idx+3];
+		return verb_size;
+	}
+
+	/* Not all codecs need to load another verb */
+	return 0;
+}
+
+/**
+ *  Wait 50usec for the codec to indicate it is ready
+ *  no response would imply that the codec is non-operative
+ */
+
+static int wait_for_ready(u32 base)
+{
+	/* Use a 50 usec timeout - the Linux kernel uses the
+	 * same duration */
+
+	int timeout = 50;
+
+	while(timeout--) {
+		u32 reg32 = read32(base +  HDA_ICII_REG);
+		if (!(reg32 & HDA_ICII_BUSY))
+			return 0;
+		udelay(1);
+	}
+
+	return -1;
+}
+
+/**
+ *  Wait 50usec for the codec to indicate that it accepted
+ *  the previous command.  No response would imply that the code
+ *  is non-operative
+ */
+
+static int wait_for_valid(u32 base)
+{
+	u32 reg32;
+
+	/* Send the verb to the codec */
+	reg32 = read32(base + HDA_ICII_REG);
+	reg32 |= HDA_ICII_BUSY | HDA_ICII_VALID;
+	write32(base + HDA_ICII_REG, reg32);
+
+	/* Use a 50 usec timeout - the Linux kernel uses the
+	 * same duration */
+
+	int timeout = 50;
+	while(timeout--) {
+		reg32 = read32(base + HDA_ICII_REG);
+		if ((reg32 & (HDA_ICII_VALID | HDA_ICII_BUSY)) ==
+			HDA_ICII_VALID)
+			return 0;
+		udelay(1);
+	}
+
+	return -1;
+}
+
+static void codec_init(struct device *dev, u32 base, int addr)
+{
+	u32 reg32;
+	const u32 *verb;
+	u32 verb_size;
+	int i;
+
+	printk(BIOS_DEBUG, "Azalia: Initializing codec #%d\n", addr);
+
+	/* 1 */
+	if (wait_for_ready(base) == -1) {
+		printk(BIOS_DEBUG, "  codec not ready.\n");
+		return;
+	}
+
+	reg32 = (addr << 28) | 0x000f0000;
+	write32(base + 0x60, reg32);
+
+	if (wait_for_valid(base) == -1) {
+		printk(BIOS_DEBUG, "  codec not valid.\n");
+		return;
+	}
+
+	reg32 = read32(base + 0x64);
+
+	/* 2 */
+	printk(BIOS_DEBUG, "Azalia: codec viddid: %08x\n", reg32);
+	verb_size = find_verb(dev, reg32, &verb);
+
+	if (!verb_size) {
+		printk(BIOS_DEBUG, "Azalia: No verb!\n");
+		return;
+	}
+	printk(BIOS_DEBUG, "Azalia: verb_size: %d\n", verb_size);
+
+	/* 3 */
+	for (i = 0; i < verb_size; i++) {
+		if (wait_for_ready(base) == -1)
+			return;
+
+		write32(base + 0x60, verb[i]);
+
+		if (wait_for_valid(base) == -1)
+			return;
+	}
+	printk(BIOS_DEBUG, "Azalia: verb loaded.\n");
+}
+
+static void codecs_init(struct device *dev, u32 base, u32 codec_mask)
+{
+	int i;
+	for (i = 3; i >= 0; i--) {
+		if (codec_mask & (1 << i))
+			codec_init(dev, base, i);
+	}
+}
+
+static void azalia_init(struct device *dev)
+{
+	u32 base;
+	struct resource *res;
+	u32 codec_mask;
+	u8 reg8;
+	u16 reg16;
+	u32 reg32;
+
+	/* Find base address */
+	res = find_resource(dev, PCI_BASE_ADDRESS_0);
+	if (!res)
+		return;
+
+	// NOTE this will break as soon as the Azalia get's a bar above
+	// 4G. Is there anything we can do about it?
+	base = (u32)res->base;
+	printk(BIOS_DEBUG, "Azalia: base = %08x\n", (u32)base);
+
+	if (RCBA32(0x2030) & (1 << 31)) {
+		reg32 = pci_mmio_read_config32(dev, 0x120);
+		reg32 &= 0xf8ffff01;
+		reg32 |= (1 << 24); // 25 for server
+		reg32 |= RCBA32(0x2030) & 0xfe;
+		pci_mmio_write_config32(dev, 0x120, reg32);
+
+		reg16 = pci_mmio_read_config16(dev, 0x78);
+		reg16 &= ~(1 << 11);
+		pci_mmio_write_config16(dev, 0x78, reg16);
+	} else
+		printk(BIOS_DEBUG, "Azalia: V1CTL disabled.\n");
+
+	reg32 = pci_mmio_read_config32(dev, 0x114);
+	reg32 &= ~0xfe;
+	pci_mmio_write_config32(dev, 0x114, reg32);
+
+	// Set VCi enable bit
+	if (pci_mmio_read_config32(dev, 0x120) & ((1 << 24) |
+						(1 << 25) | (1 << 26))) {
+		reg32 = pci_mmio_read_config32(dev, 0x120);
+		reg32 |= (1 << 31);
+		pci_mmio_write_config32(dev, 0x120, reg32);
+	}
+
+	// Enable HDMI codec:
+	reg32 = pci_read_config32(dev, 0xc4);
+	reg32 |= (1 << 1);
+	pci_write_config32(dev, 0xc4, reg32);
+
+	reg8 = pci_read_config8(dev, 0x43);
+	reg8 |= (1 << 6);
+	pci_write_config8(dev, 0x43, reg8);
+
+	/* Additional programming steps */
+	reg32 = pci_read_config32(dev, 0xc4);
+	reg32 |= (1 << 13) | (1 << 10);
+	pci_write_config32(dev, 0xc4, reg32);
+
+	reg32 = pci_read_config32(dev, 0xd0);
+	reg32 &= ~(1 << 31);
+	pci_write_config32(dev, 0xd0, reg32);
+
+	/* Additional programming steps */
+	reg32 = pci_read_config32(dev, 0xc4);
+	reg32 |= (1 << 13);
+	pci_write_config32(dev, 0xc4, reg32);
+
+	reg32 = pci_read_config32(dev, 0xc4);
+	reg32 |= (1 << 10);
+	pci_write_config32(dev, 0xc4, reg32);
+
+	reg32 = pci_read_config32(dev, 0xd0);
+	reg32 &= ~(1 << 31);
+	pci_write_config32(dev, 0xd0, reg32);
+
+	/* Set Bus Master */
+	reg32 = pci_read_config32(dev, PCI_COMMAND);
+	pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);
+
+	pci_write_config8(dev, 0x3c, 0x0a); // unused?
+
+	/* Codec Initialization Programming Sequence */
+	reg32 = read32(base + 0x08);
+	reg32 |= (1 << 0);
+	write32(base + 0x08, reg32);
+
+	//
+	reg8 = pci_read_config8(dev, 0x40); // Audio Control
+	reg8 |= 1; // Select Azalia mode. This needs to be controlled via devicetree.cb
+	pci_write_config8(dev, 0x40, reg8);
+
+	reg8 = pci_read_config8(dev, 0x4d); // Docking Status
+	reg8 &= ~(1 << 7); // Docking not supported
+	pci_write_config8(dev, 0x4d, reg8);
+
+	codec_mask = codec_detect(base);
+
+	if (codec_mask) {
+		printk(BIOS_DEBUG, "Azalia: codec_mask = %02x\n", codec_mask);
+		codecs_init(dev, base, codec_mask);
+	}
+
+	/* Enable dynamic clock gating */
+	reg8 = pci_read_config8(dev, 0x43);
+	reg8 &= ~0x7;
+	reg8 |= (1 << 2) | (1 << 0);
+	pci_write_config8(dev, 0x43, reg8);
+}
+
+static void azalia_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	if (!vendor || !device) {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				pci_read_config32(dev, PCI_VENDOR_ID));
+	} else {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				((device & 0xffff) << 16) | (vendor & 0xffff));
+	}
+}
+
+static struct pci_operations azalia_pci_ops = {
+	.set_subsystem    = azalia_set_subsystem,
+};
+
+static struct device_operations azalia_ops = {
+	.read_resources		= pci_dev_read_resources,
+	.set_resources		= pci_dev_set_resources,
+	.enable_resources	= pci_dev_enable_resources,
+	.init			= azalia_init,
+	.scan_bus		= 0,
+	.ops_pci		= &azalia_pci_ops,
+};
+
+static const struct pci_driver azalia_0 __pci_driver = {
+	.ops	= &azalia_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c20,
+};
+
+static const struct pci_driver azalia_1 __pci_driver = {
+	.ops	= &azalia_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1e20,
+};
+
diff --git a/src/southbridge/intel/bd82x6x/bootblock.c b/src/southbridge/intel/bd82x6x/bootblock.c
new file mode 100644
index 0000000000..686e820e03
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/bootblock.c
@@ -0,0 +1,73 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include "pch.h"
+
+static void store_initial_timestamp(void)
+{
+	/* On Cougar Point we have two 32bit scratchpad registers available:
+	 * D0:F0  0xdc (SKPAD)
+	 * D31:F2 0xd0 (SATA SP)
+	 */
+	tsc_t tsc = rdtsc();
+	pci_write_config32(PCI_DEV(0, 0x00, 0), 0xdc, tsc.lo);
+	pci_write_config32(PCI_DEV(0, 0x1f, 2), 0xd0, tsc.hi);
+}
+
+/*
+ * Enable Prefetching and Caching.
+ */
+static void enable_spi_prefetch(void)
+{
+	u8 reg8;
+	device_t dev;
+
+	dev = PCI_DEV(0, 0x1f, 0);
+
+	reg8 = pci_read_config8(dev, 0xdc);
+	reg8 &= ~(3 << 2);
+	reg8 |= (2 << 2); /* Prefetching and Caching Enabled */
+	pci_write_config8(dev, 0xdc, reg8);
+}
+
+static void enable_port80_on_lpc(void)
+{
+	device_t dev = PCI_DEV(0, 0x1f, 0);
+
+	/* Enable port 80 POST on LPC */
+	pci_write_config32(dev, RCBA, DEFAULT_RCBA | 1);
+#if 0
+	RCBA32(GCS) &= (~0x04);
+#else
+	volatile u32 *gcs = (volatile u32 *)(DEFAULT_RCBA + GCS);
+	u32 reg32 = *gcs;
+	reg32 = reg32 & ~0x04;
+	*gcs = reg32;
+	post_code(0x01);
+#endif
+}
+
+static void bootblock_southbridge_init(void)
+{
+#if CONFIG_COLLECT_TIMESTAMPS
+	store_initial_timestamp();
+#endif
+	enable_spi_prefetch();
+	enable_port80_on_lpc();
+}
diff --git a/src/southbridge/intel/bd82x6x/chip.h b/src/southbridge/intel/bd82x6x/chip.h
new file mode 100644
index 0000000000..2786d72359
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/chip.h
@@ -0,0 +1,79 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef SOUTHBRIDGE_INTEL_BD82X6X_CHIP_H
+#define SOUTHBRIDGE_INTEL_BD82X6X_CHIP_H
+
+struct southbridge_intel_bd82x6x_config {
+	/**
+	 * Interrupt Routing configuration
+	 * If bit7 is 1, the interrupt is disabled.
+	 */
+	uint8_t pirqa_routing;
+	uint8_t pirqb_routing;
+	uint8_t pirqc_routing;
+	uint8_t pirqd_routing;
+	uint8_t pirqe_routing;
+	uint8_t pirqf_routing;
+	uint8_t pirqg_routing;
+	uint8_t pirqh_routing;
+
+	/**
+	 * GPI Routing configuration
+	 *
+	 * Only the lower two bits have a meaning:
+	 * 00: No effect
+	 * 01: SMI# (if corresponding ALT_GPI_SMI_EN bit is also set)
+	 * 10: SCI (if corresponding GPIO_EN bit is also set)
+	 * 11: reserved
+	 */
+	uint8_t gpi0_routing;
+	uint8_t gpi1_routing;
+	uint8_t gpi2_routing;
+	uint8_t gpi3_routing;
+	uint8_t gpi4_routing;
+	uint8_t gpi5_routing;
+	uint8_t gpi6_routing;
+	uint8_t gpi7_routing;
+	uint8_t gpi8_routing;
+	uint8_t gpi9_routing;
+	uint8_t gpi10_routing;
+	uint8_t gpi11_routing;
+	uint8_t gpi12_routing;
+	uint8_t gpi13_routing;
+	uint8_t gpi14_routing;
+	uint8_t gpi15_routing;
+
+	uint32_t gpe0_en;
+	uint16_t alt_gp_smi_en;
+
+	/* IDE configuration */
+	uint32_t ide_legacy_combined;
+	uint32_t sata_ahci;
+	uint8_t sata_port_map;
+
+	uint32_t gen1_dec;
+	uint32_t gen2_dec;
+	uint32_t gen3_dec;
+	uint32_t gen4_dec;
+};
+
+extern struct chip_operations southbridge_intel_bd82x6x_ops;
+
+#endif				/* SOUTHBRIDGE_INTEL_BD82X6X_CHIP_H */
diff --git a/src/southbridge/intel/bd82x6x/early_me.c b/src/southbridge/intel/bd82x6x/early_me.c
new file mode 100644
index 0000000000..5b266cc10c
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/early_me.c
@@ -0,0 +1,201 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <arch/hlt.h>
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <console/console.h>
+#include <delay.h>
+#include <device/pci_ids.h>
+#include <string.h>
+#include "me.h"
+#include "pch.h"
+
+static const char *me_ack_values[] = {
+	[ME_HFS_ACK_NO_DID]	= "No DID Ack received",
+	[ME_HFS_ACK_RESET]	= "Non-power cycle reset",
+	[ME_HFS_ACK_PWR_CYCLE]	= "Power cycle reset",
+	[ME_HFS_ACK_S3]		= "Go to S3",
+	[ME_HFS_ACK_S4]		= "Go to S4",
+	[ME_HFS_ACK_S5]		= "Go to S5",
+	[ME_HFS_ACK_GBL_RESET]	= "Global Reset",
+	[ME_HFS_ACK_CONTINUE]	= "Continue to boot"
+};
+
+static inline void pci_read_dword_ptr(void *ptr, int offset)
+{
+	u32 dword = pci_read_config32(PCH_ME_DEV, offset);
+	memcpy(ptr, &dword, sizeof(dword));
+}
+
+static inline void pci_write_dword_ptr(void *ptr, int offset)
+{
+	u32 dword = 0;
+	memcpy(&dword, ptr, sizeof(dword));
+	pci_write_config32(PCH_ME_DEV, offset, dword);
+}
+
+void intel_early_me_status(void)
+{
+	struct me_hfs hfs;
+	struct me_gmes gmes;
+
+	pci_read_dword_ptr(&hfs, PCI_ME_HFS);
+	pci_read_dword_ptr(&gmes, PCI_ME_GMES);
+
+	intel_me_status(&hfs, &gmes);
+}
+
+int intel_early_me_init(void)
+{
+	int count;
+	struct me_uma uma;
+	struct me_hfs hfs;
+
+	printk(BIOS_INFO, "Intel ME early init\n");
+
+	/* Wait for ME UMA SIZE VALID bit to be set */
+	for (count = ME_RETRY; count > 0; --count) {
+		pci_read_dword_ptr(&uma, PCI_ME_UMA);
+		if (uma.valid)
+			break;
+		udelay(ME_DELAY);
+	}
+	if (!count) {
+		printk(BIOS_ERR, "ERROR: ME is not ready!\n");
+		return -1;
+	}
+
+	/* Check for valid firmware */
+	pci_read_dword_ptr(&hfs, PCI_ME_HFS);
+	if (hfs.fpt_bad) {
+		printk(BIOS_WARNING, "WARNING: ME has bad firmware\n");
+		return -1;
+	}
+
+	printk(BIOS_INFO, "Intel ME firmware is ready\n");
+	return 0;
+}
+
+int intel_early_me_uma_size(void)
+{
+	struct me_uma uma;
+
+	pci_read_dword_ptr(&uma, PCI_ME_UMA);
+	if (uma.valid) {
+		printk(BIOS_DEBUG, "ME: Requested %uMB UMA\n", uma.size);
+		return uma.size;
+	}
+
+	printk(BIOS_DEBUG, "ME: Invalid UMA size\n");
+	return 0;
+}
+
+static inline void set_global_reset(int enable)
+{
+	u32 etr3 = pci_read_config32(PCH_LPC_DEV, ETR3);
+
+	/* Clear CF9 Without Resume Well Reset Enable */
+	etr3 &= ~ETR3_CWORWRE;
+
+	/* CF9GR indicates a Global Reset */
+	if (enable)
+		etr3 |= ETR3_CF9GR;
+	else
+		etr3 &= ~ETR3_CF9GR;
+
+	pci_write_config32(PCH_LPC_DEV, ETR3, etr3);
+}
+
+int intel_early_me_init_done(u8 status)
+{
+	u8 reset;
+	int count;
+	u32 mebase_l, mebase_h;
+	struct me_hfs hfs;
+	struct me_did did = {
+		.init_done = ME_INIT_DONE,
+		.status = status
+	};
+
+	/* MEBASE from MESEG_BASE[35:20] */
+	mebase_l = pci_read_config32(PCI_CPU_DEVICE, PCI_CPU_MEBASE_L);
+	mebase_h = pci_read_config32(PCI_CPU_DEVICE, PCI_CPU_MEBASE_H) & 0xf;
+	did.uma_base = (mebase_l >> 20) | (mebase_h << 12);
+
+	/* Send message to ME */
+	printk(BIOS_DEBUG, "ME: Sending Init Done with status: %d, "
+	       "UMA base: 0x%04x\n", status, did.uma_base);
+
+	pci_write_dword_ptr(&did, PCI_ME_H_GS);
+
+	/* Must wait for ME acknowledgement */
+	for (count = ME_RETRY; count > 0; --count) {
+		pci_read_dword_ptr(&hfs, PCI_ME_HFS);
+		if (hfs.bios_msg_ack)
+			break;
+		udelay(ME_DELAY);
+	}
+	if (!count) {
+		printk(BIOS_ERR, "ERROR: ME failed to respond\n");
+		return -1;
+	}
+
+	/* Return the requested BIOS action */
+	printk(BIOS_NOTICE, "ME: Requested BIOS Action: %s\n",
+	       me_ack_values[hfs.ack_data]);
+
+	/* Check status after acknowledgement */
+	intel_early_me_status();
+
+	reset = 0;
+	switch (hfs.ack_data) {
+	case ME_HFS_ACK_CONTINUE:
+		/* Continue to boot */
+		return 0;
+	case ME_HFS_ACK_RESET:
+		/* Non-power cycle reset */
+		set_global_reset(0);
+		reset = 0x06;
+		break;
+	case ME_HFS_ACK_PWR_CYCLE:
+		/* Power cycle reset */
+		set_global_reset(0);
+		reset = 0x0e;
+		break;
+	case ME_HFS_ACK_GBL_RESET:
+		/* Global reset */
+		set_global_reset(1);
+		reset = 0x0e;
+		break;
+	case ME_HFS_ACK_S3:
+	case ME_HFS_ACK_S4:
+	case ME_HFS_ACK_S5:
+		break;
+	}
+
+	/* Perform the requested reset */
+	if (reset) {
+		outb(reset, 0xcf9);
+		hlt();
+	}
+	return -1;
+}
diff --git a/src/southbridge/intel/bd82x6x/early_smbus.c b/src/southbridge/intel/bd82x6x/early_smbus.c
new file mode 100644
index 0000000000..b13369af59
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/early_smbus.c
@@ -0,0 +1,63 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <console/console.h>
+#include <device/pci_ids.h>
+#include <device/pci_def.h>
+#include "pch.h"
+#include "smbus.h"
+
+void enable_smbus(void)
+{
+	device_t dev;
+
+	/* Set the SMBus device statically. */
+	dev = PCI_DEV(0x0, 0x1f, 0x3);
+
+	/* Check to make sure we've got the right device. */
+	if (pci_read_config16(dev, 0x0) != 0x8086) {
+		die("SMBus controller not found!");
+	}
+
+	/* Set SMBus I/O base. */
+	pci_write_config32(dev, SMB_BASE,
+			   SMBUS_IO_BASE | PCI_BASE_ADDRESS_SPACE_IO);
+
+	/* Set SMBus enable. */
+	pci_write_config8(dev, HOSTC, HST_EN);
+
+	/* Set SMBus I/O space enable. */
+	pci_write_config16(dev, PCI_COMMAND, PCI_COMMAND_IO);
+
+	/* Disable interrupt generation. */
+	outb(0, SMBUS_IO_BASE + SMBHSTCTL);
+
+	/* Clear any lingering errors, so transactions can run. */
+	outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
+	print_debug("SMBus controller enabled.\n");
+}
+
+int smbus_read_byte(unsigned device, unsigned address)
+{
+	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
+}
+
diff --git a/src/southbridge/intel/bd82x6x/early_usb.c b/src/southbridge/intel/bd82x6x/early_usb.c
new file mode 100644
index 0000000000..95906e3bfc
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/early_usb.c
@@ -0,0 +1,57 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <console/console.h>
+#include <device/pci_ids.h>
+#include <device/pci_def.h>
+#include "pch.h"
+
+#define PCH_EHCI1_TEMP_BAR0 0xe8000000
+#define PCH_EHCI2_TEMP_BAR0 0xe8000400
+
+/*
+ * Setup USB controller MMIO BAR to prevent the
+ * reference code from resetting the controller.
+ *
+ * The BAR will be re-assigned during device
+ * enumeration so these are only temporary.
+ */
+void enable_usb_bar(void)
+{
+	device_t usb0 = PCH_EHCI1_DEV;
+	device_t usb1 = PCH_EHCI2_DEV;
+	u32 cmd;
+
+	/* USB Controller 1 */
+	pci_write_config32(usb0, PCI_BASE_ADDRESS_0,
+			   PCH_EHCI1_TEMP_BAR0);
+	cmd = pci_read_config32(usb0, PCI_COMMAND);
+	cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+	pci_write_config32(usb0, PCI_COMMAND, cmd);
+
+	/* USB Controller 1 */
+	pci_write_config32(usb1, PCI_BASE_ADDRESS_0,
+			   PCH_EHCI1_TEMP_BAR0);
+	cmd = pci_read_config32(usb1, PCI_COMMAND);
+	cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+	pci_write_config32(usb1, PCI_COMMAND, cmd);
+}
diff --git a/src/southbridge/intel/bd82x6x/finalize.c b/src/southbridge/intel/bd82x6x/finalize.c
new file mode 100644
index 0000000000..ed1ebf7a9a
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/finalize.c
@@ -0,0 +1,56 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <northbridge/intel/sandybridge/pcie_config.c>
+#include "pch.h"
+
+void intel_pch_finalize_smm(void)
+{
+	/* Set SPI opcode menu */
+	RCBA16(0x3894) = SPI_OPPREFIX;
+	RCBA16(0x3896) = SPI_OPTYPE;
+	RCBA32(0x3898) = SPI_OPMENU_LOWER;
+	RCBA32(0x389c) = SPI_OPMENU_UPPER;
+
+	/* Lock SPIBAR */
+	RCBA32_OR(0x3804, (1 << 15));
+
+	/* TCLOCKDN: TC Lockdown */
+	RCBA32_OR(0x0050, (1 << 31));
+
+	/* BIOS Interface Lockdown */
+	RCBA32_OR(0x3410, (1 << 0));
+
+	/* Function Disable SUS Well Lockdown */
+	RCBA_AND_OR(8, 0x3420, ~0U, (1 << 7));
+
+	/* Global SMI Lock */
+	pcie_or_config16(PCH_LPC_DEV, 0xa0, 1 << 4);
+
+	/* GEN_PMCON Lock */
+	pcie_or_config8(PCH_LPC_DEV, 0xa6, (1 << 1) | (1 << 2));
+
+	/* R/WO registers */
+	RCBA32(0x21a4) = RCBA32(0x21a4);
+	pcie_write_config32(PCI_DEV(0, 27, 0), 0x74,
+		    pcie_read_config32(PCI_DEV(0, 27, 0), 0x74));
+}
diff --git a/src/southbridge/intel/bd82x6x/gpio.c b/src/southbridge/intel/bd82x6x/gpio.c
new file mode 100644
index 0000000000..598726a0d5
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/gpio.c
@@ -0,0 +1,65 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+
+#include "pch.h"
+#include "gpio.h"
+
+void setup_pch_gpios(const struct pch_gpio_map *gpio)
+{
+	u16 gpiobase = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc;
+
+	/* GPIO Set 1 */
+	if (gpio->set1.level)
+		outl(*((u32*)gpio->set1.level), gpiobase + GP_LVL);
+	if (gpio->set1.mode)
+		outl(*((u32*)gpio->set1.mode), gpiobase + GPIO_USE_SEL);
+	if (gpio->set1.direction)
+		outl(*((u32*)gpio->set1.direction), gpiobase + GP_IO_SEL);
+	if (gpio->set1.reset)
+		outl(*((u32*)gpio->set1.reset), gpiobase + GP_RST_SEL1);
+	if (gpio->set1.invert)
+		outl(*((u32*)gpio->set1.invert), gpiobase + GPI_INV);
+	if (gpio->set1.blink)
+		outl(*((u32*)gpio->set1.blink), gpiobase + GPO_BLINK);
+
+	/* GPIO Set 2 */
+	if (gpio->set2.level)
+		outl(*((u32*)gpio->set2.level), gpiobase + GP_LVL2);
+	if (gpio->set2.mode)
+		outl(*((u32*)gpio->set2.mode), gpiobase + GPIO_USE_SEL2);
+	if (gpio->set2.direction)
+		outl(*((u32*)gpio->set2.direction), gpiobase + GP_IO_SEL2);
+	if (gpio->set2.reset)
+		outl(*((u32*)gpio->set2.reset), gpiobase + GP_RST_SEL2);
+
+	/* GPIO Set 3 */
+	if (gpio->set3.level)
+		outl(*((u32*)gpio->set3.level), gpiobase + GP_LVL3);
+	if (gpio->set3.mode)
+		outl(*((u32*)gpio->set3.mode), gpiobase + GPIO_USE_SEL3);
+	if (gpio->set3.direction)
+		outl(*((u32*)gpio->set3.direction), gpiobase + GP_IO_SEL3);
+	if (gpio->set3.reset)
+		outl(*((u32*)gpio->set3.reset), gpiobase + GP_RST_SEL3);
+}
diff --git a/src/southbridge/intel/bd82x6x/gpio.h b/src/southbridge/intel/bd82x6x/gpio.h
new file mode 100644
index 0000000000..214947fc4b
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/gpio.h
@@ -0,0 +1,153 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef INTEL_BD82X6X_GPIO_H
+#define INTEL_BD82X6X_GPIO_H
+
+#define GPIO_MODE_NATIVE	0
+#define GPIO_MODE_GPIO		1
+#define GPIO_MODE_NONE		1
+
+#define GPIO_DIR_OUTPUT		0
+#define GPIO_DIR_INPUT		1
+
+#define GPIO_NO_INVERT		0
+#define GPIO_INVERT		1
+
+#define GPIO_LEVEL_LOW		0
+#define GPIO_LEVEL_HIGH		1
+
+#define GPIO_NO_BLINK		0
+#define GPIO_BLINK		1
+
+#define GPIO_RESET_PWROK	0
+#define GPIO_RESET_RSMRST	1
+
+struct pch_gpio_set1 {
+	u32 gpio0 : 1;
+	u32 gpio1 : 1;
+	u32 gpio2 : 1;
+	u32 gpio3 : 1;
+	u32 gpio4 : 1;
+	u32 gpio5 : 1;
+	u32 gpio6 : 1;
+	u32 gpio7 : 1;
+	u32 gpio8 : 1;
+	u32 gpio9 : 1;
+	u32 gpio10 : 1;
+	u32 gpio11 : 1;
+	u32 gpio12 : 1;
+	u32 gpio13 : 1;
+	u32 gpio14 : 1;
+	u32 gpio15 : 1;
+	u32 gpio16 : 1;
+	u32 gpio17 : 1;
+	u32 gpio18 : 1;
+	u32 gpio19 : 1;
+	u32 gpio20 : 1;
+	u32 gpio21 : 1;
+	u32 gpio22 : 1;
+	u32 gpio23 : 1;
+	u32 gpio24 : 1;
+	u32 gpio25 : 1;
+	u32 gpio26 : 1;
+	u32 gpio27 : 1;
+	u32 gpio28 : 1;
+	u32 gpio29 : 1;
+	u32 gpio30 : 1;
+	u32 gpio31 : 1;
+} __attribute__ ((packed));
+
+struct pch_gpio_set2 {
+	u32 gpio32 : 1;
+	u32 gpio33 : 1;
+	u32 gpio34 : 1;
+	u32 gpio35 : 1;
+	u32 gpio36 : 1;
+	u32 gpio37 : 1;
+	u32 gpio38 : 1;
+	u32 gpio39 : 1;
+	u32 gpio40 : 1;
+	u32 gpio41 : 1;
+	u32 gpio42 : 1;
+	u32 gpio43 : 1;
+	u32 gpio44 : 1;
+	u32 gpio45 : 1;
+	u32 gpio46 : 1;
+	u32 gpio47 : 1;
+	u32 gpio48 : 1;
+	u32 gpio49 : 1;
+	u32 gpio50 : 1;
+	u32 gpio51 : 1;
+	u32 gpio52 : 1;
+	u32 gpio53 : 1;
+	u32 gpio54 : 1;
+	u32 gpio55 : 1;
+	u32 gpio56 : 1;
+	u32 gpio57 : 1;
+	u32 gpio58 : 1;
+	u32 gpio59 : 1;
+	u32 gpio60 : 1;
+	u32 gpio61 : 1;
+	u32 gpio62 : 1;
+	u32 gpio63 : 1;
+} __attribute__ ((packed));
+
+struct pch_gpio_set3 {
+	u32 gpio64 : 1;
+	u32 gpio65 : 1;
+	u32 gpio66 : 1;
+	u32 gpio67 : 1;
+	u32 gpio68 : 1;
+	u32 gpio69 : 1;
+	u32 gpio70 : 1;
+	u32 gpio71 : 1;
+	u32 gpio72 : 1;
+	u32 gpio73 : 1;
+	u32 gpio74 : 1;
+	u32 gpio75 : 1;
+} __attribute__ ((packed));
+
+struct pch_gpio_map {
+	struct {
+		const struct pch_gpio_set1 *mode;
+		const struct pch_gpio_set1 *direction;
+		const struct pch_gpio_set1 *level;
+		const struct pch_gpio_set1 *reset;
+		const struct pch_gpio_set1 *invert;
+		const struct pch_gpio_set1 *blink;
+	} set1;
+	struct {
+		const struct pch_gpio_set2 *mode;
+		const struct pch_gpio_set2 *direction;
+		const struct pch_gpio_set2 *level;
+		const struct pch_gpio_set2 *reset;
+	} set2;
+	struct {
+		const struct pch_gpio_set3 *mode;
+		const struct pch_gpio_set3 *direction;
+		const struct pch_gpio_set3 *level;
+		const struct pch_gpio_set3 *reset;
+	} set3;
+};
+
+/* Configure GPIOs with mainboard provided settings */
+void setup_pch_gpios(const struct pch_gpio_map *gpio);
+
+#endif
diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c
new file mode 100644
index 0000000000..1ecaf8fca9
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/lpc.c
@@ -0,0 +1,678 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <pc80/mc146818rtc.h>
+#include <pc80/isa-dma.h>
+#include <pc80/i8259.h>
+#include <arch/io.h>
+#include <arch/ioapic.h>
+#include <arch/acpi.h>
+#include <cpu/cpu.h>
+#include "pch.h"
+
+#define NMI_OFF	0
+
+#define ENABLE_ACPI_MODE_IN_COREBOOT	0
+#define TEST_SMM_FLASH_LOCKDOWN		0
+
+typedef struct southbridge_intel_bd82x6x_config config_t;
+
+static void pch_enable_apic(struct device *dev)
+{
+	int i;
+	u32 reg32;
+	volatile u32 *ioapic_index = (volatile u32 *)(IO_APIC_ADDR);
+	volatile u32 *ioapic_data = (volatile u32 *)(IO_APIC_ADDR + 0x10);
+
+	/* Enable ACPI I/O and power management.
+	 * Set SCI IRQ to IRQ9
+	 */
+	pci_write_config8(dev, ACPI_CNTL, 0x80);
+
+	*ioapic_index = 0;
+	*ioapic_data = (1 << 25);
+
+	/* affirm full set of redirection table entries ("write once") */
+	*ioapic_index = 1;
+	reg32 = *ioapic_data;
+	*ioapic_index = 1;
+	*ioapic_data = reg32;
+
+	*ioapic_index = 0;
+	reg32 = *ioapic_data;
+	printk(BIOS_DEBUG, "Southbridge APIC ID = %x\n", (reg32 >> 24) & 0x0f);
+	if (reg32 != (1 << 25))
+		die("APIC Error\n");
+
+	printk(BIOS_SPEW, "Dumping IOAPIC registers\n");
+	for (i=0; i<3; i++) {
+		*ioapic_index = i;
+		printk(BIOS_SPEW, "  reg 0x%04x:", i);
+		reg32 = *ioapic_data;
+		printk(BIOS_SPEW, " 0x%08x\n", reg32);
+	}
+
+	*ioapic_index = 3; /* Select Boot Configuration register. */
+	*ioapic_data = 1; /* Use Processor System Bus to deliver interrupts. */
+}
+
+static void pch_enable_serial_irqs(struct device *dev)
+{
+	/* Set packet length and toggle silent mode bit for one frame. */
+	pci_write_config8(dev, SERIRQ_CNTL,
+			  (1 << 7) | (1 << 6) | ((21 - 17) << 2) | (0 << 0));
+#if !CONFIG_SERIRQ_CONTINUOUS_MODE
+	pci_write_config8(dev, SERIRQ_CNTL,
+			  (1 << 7) | (0 << 6) | ((21 - 17) << 2) | (0 << 0));
+#endif
+}
+
+/* PIRQ[n]_ROUT[3:0] - PIRQ Routing Control
+ * 0x00 - 0000 = Reserved
+ * 0x01 - 0001 = Reserved
+ * 0x02 - 0010 = Reserved
+ * 0x03 - 0011 = IRQ3
+ * 0x04 - 0100 = IRQ4
+ * 0x05 - 0101 = IRQ5
+ * 0x06 - 0110 = IRQ6
+ * 0x07 - 0111 = IRQ7
+ * 0x08 - 1000 = Reserved
+ * 0x09 - 1001 = IRQ9
+ * 0x0A - 1010 = IRQ10
+ * 0x0B - 1011 = IRQ11
+ * 0x0C - 1100 = IRQ12
+ * 0x0D - 1101 = Reserved
+ * 0x0E - 1110 = IRQ14
+ * 0x0F - 1111 = IRQ15
+ * PIRQ[n]_ROUT[7] - PIRQ Routing Control
+ * 0x80 - The PIRQ is not routed.
+ */
+
+static void pch_pirq_init(device_t dev)
+{
+	device_t irq_dev;
+	/* Get the chip configuration */
+	config_t *config = dev->chip_info;
+
+	pci_write_config8(dev, PIRQA_ROUT, config->pirqa_routing);
+	pci_write_config8(dev, PIRQB_ROUT, config->pirqb_routing);
+	pci_write_config8(dev, PIRQC_ROUT, config->pirqc_routing);
+	pci_write_config8(dev, PIRQD_ROUT, config->pirqd_routing);
+
+	pci_write_config8(dev, PIRQE_ROUT, config->pirqe_routing);
+	pci_write_config8(dev, PIRQF_ROUT, config->pirqf_routing);
+	pci_write_config8(dev, PIRQG_ROUT, config->pirqg_routing);
+	pci_write_config8(dev, PIRQH_ROUT, config->pirqh_routing);
+
+	/* Eric Biederman once said we should let the OS do this.
+	 * I am not so sure anymore he was right.
+	 */
+
+	for(irq_dev = all_devices; irq_dev; irq_dev = irq_dev->next) {
+		u8 int_pin=0, int_line=0;
+
+		if (!irq_dev->enabled || irq_dev->path.type != DEVICE_PATH_PCI)
+			continue;
+
+		int_pin = pci_read_config8(irq_dev, PCI_INTERRUPT_PIN);
+
+		switch (int_pin) {
+		case 1: /* INTA# */ int_line = config->pirqa_routing; break;
+		case 2: /* INTB# */ int_line = config->pirqb_routing; break;
+		case 3: /* INTC# */ int_line = config->pirqc_routing; break;
+		case 4: /* INTD# */ int_line = config->pirqd_routing; break;
+		}
+
+		if (!int_line)
+			continue;
+
+		pci_write_config8(irq_dev, PCI_INTERRUPT_LINE, int_line);
+	}
+}
+
+static void pch_gpi_routing(device_t dev)
+{
+	/* Get the chip configuration */
+	config_t *config = dev->chip_info;
+	u32 reg32 = 0;
+
+	/* An array would be much nicer here, or some
+	 * other method of doing this.
+	 */
+	reg32 |= (config->gpi0_routing & 0x03) << 0;
+	reg32 |= (config->gpi1_routing & 0x03) << 2;
+	reg32 |= (config->gpi2_routing & 0x03) << 4;
+	reg32 |= (config->gpi3_routing & 0x03) << 6;
+	reg32 |= (config->gpi4_routing & 0x03) << 8;
+	reg32 |= (config->gpi5_routing & 0x03) << 10;
+	reg32 |= (config->gpi6_routing & 0x03) << 12;
+	reg32 |= (config->gpi7_routing & 0x03) << 14;
+	reg32 |= (config->gpi8_routing & 0x03) << 16;
+	reg32 |= (config->gpi9_routing & 0x03) << 18;
+	reg32 |= (config->gpi10_routing & 0x03) << 20;
+	reg32 |= (config->gpi11_routing & 0x03) << 22;
+	reg32 |= (config->gpi12_routing & 0x03) << 24;
+	reg32 |= (config->gpi13_routing & 0x03) << 26;
+	reg32 |= (config->gpi14_routing & 0x03) << 28;
+	reg32 |= (config->gpi15_routing & 0x03) << 30;
+
+	pci_write_config32(dev, 0xb8, reg32);
+}
+
+static void pch_power_options(device_t dev)
+{
+	u8 reg8;
+	u16 reg16, pmbase;
+	u32 reg32;
+	const char *state;
+	/* Get the chip configuration */
+	config_t *config = dev->chip_info;
+
+	int pwr_on=CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
+	int nmi_option;
+
+	/* Which state do we want to goto after g3 (power restored)?
+	 * 0 == S0 Full On
+	 * 1 == S5 Soft Off
+	 *
+	 * If the option is not existent (Laptops), use Kconfig setting.
+	 */
+	get_option(&pwr_on, "power_on_after_fail");
+
+	reg16 = pci_read_config16(dev, GEN_PMCON_3);
+	reg16 &= 0xfffe;
+	switch (pwr_on) {
+	case MAINBOARD_POWER_OFF:
+		reg16 |= 1;
+		state = "off";
+		break;
+	case MAINBOARD_POWER_ON:
+		reg16 &= ~1;
+		state = "on";
+		break;
+	case MAINBOARD_POWER_KEEP:
+		reg16 &= ~1;
+		state = "state keep";
+		break;
+	default:
+		state = "undefined";
+	}
+
+	reg16 &= ~(3 << 4);	/* SLP_S4# Assertion Stretch 4s */
+	reg16 |= (1 << 3);	/* SLP_S4# Assertion Stretch Enable */
+
+	reg16 &= ~(1 << 10);
+	reg16 |= (1 << 11);	/* SLP_S3# Min Assertion Width 50ms */
+
+	reg16 |= (1 << 12);	/* Disable SLP stretch after SUS well */
+
+	pci_write_config16(dev, GEN_PMCON_3, reg16);
+	printk(BIOS_INFO, "Set power %s after power failure.\n", state);
+
+	/* Set up NMI on errors. */
+	reg8 = inb(0x61);
+	reg8 &= 0x0f;		/* Higher Nibble must be 0 */
+	reg8 &= ~(1 << 3);	/* IOCHK# NMI Enable */
+	// reg8 &= ~(1 << 2);	/* PCI SERR# Enable */
+	reg8 |= (1 << 2); /* PCI SERR# Disable for now */
+	outb(reg8, 0x61);
+
+	reg8 = inb(0x70);
+	nmi_option = NMI_OFF;
+	get_option(&nmi_option, "nmi");
+	if (nmi_option) {
+		printk(BIOS_INFO, "NMI sources enabled.\n");
+		reg8 &= ~(1 << 7);	/* Set NMI. */
+	} else {
+		printk(BIOS_INFO, "NMI sources disabled.\n");
+		reg8 |= ( 1 << 7);	/* Can't mask NMI from PCI-E and NMI_NOW */
+	}
+	outb(reg8, 0x70);
+
+	/* Enable CPU_SLP# and Intel Speedstep, set SMI# rate down */
+	reg16 = pci_read_config16(dev, GEN_PMCON_1);
+	reg16 &= ~(3 << 0);	// SMI# rate 1 minute
+	reg16 &= ~(1 << 10);	// Disable BIOS_PCI_EXP_EN for native PME
+#if DEBUG_PERIODIC_SMIS
+	/* Set DEBUG_PERIODIC_SMIS in pch.h to debug using
+	 * periodic SMIs.
+	 */
+	reg16 |= (3 << 0); // Periodic SMI every 8s
+#endif
+	pci_write_config16(dev, GEN_PMCON_1, reg16);
+
+	// Set the board's GPI routing.
+	pch_gpi_routing(dev);
+
+	pmbase = pci_read_config16(dev, 0x40) & 0xfffe;
+
+	outl(config->gpe0_en, pmbase + GPE0_EN);
+	outw(config->alt_gp_smi_en, pmbase + ALT_GP_SMI_EN);
+
+	/* Set up power management block and determine sleep mode */
+	reg32 = inl(pmbase + 0x04); // PM1_CNT
+	reg32 &= ~(7 << 10);	// SLP_TYP
+	reg32 |= (1 << 0);	// SCI_EN
+	outl(reg32, pmbase + 0x04);
+
+	/* Clear magic status bits to prevent unexpected wake */
+	reg32 = RCBA32(0x3310);
+	reg32 |= (1 << 4)|(1 << 5)|(1 << 0);
+	RCBA32(0x3310) = reg32;
+
+	reg32 = RCBA32(0x3f02);
+	reg32 &= ~0xf;
+	RCBA32(0x3f02) = reg32;
+}
+
+static void pch_rtc_init(struct device *dev)
+{
+	u8 reg8;
+	int rtc_failed;
+
+	reg8 = pci_read_config8(dev, GEN_PMCON_3);
+	rtc_failed = reg8 & RTC_BATTERY_DEAD;
+	if (rtc_failed) {
+		reg8 &= ~RTC_BATTERY_DEAD;
+		pci_write_config8(dev, GEN_PMCON_3, reg8);
+	}
+	printk(BIOS_DEBUG, "rtc_failed = 0x%x\n", rtc_failed);
+
+	rtc_init(rtc_failed);
+}
+
+static void pch_pm_init(struct device *dev)
+{
+	pci_write_config8(dev, 0xa9, 0x47);
+	RCBA32_AND_OR(0x2238, ~0UL, (1 << 6)|(1 << 0));
+	RCBA32_AND_OR(0x228c, ~0UL, (1 << 0));
+	RCBA16_AND_OR(0x1100, ~0UL, (1 << 13)|(1 << 14));
+	RCBA16_AND_OR(0x0900, ~0UL, (1 << 14));
+	RCBA32(0x2304) = 0xc0388400;
+	RCBA32_AND_OR(0x2314, ~0UL, (1 << 5)|(1 << 18));
+	RCBA32_AND_OR(0x2320, ~0UL, (1 << 15)|(1 << 1));
+	RCBA32_AND_OR(0x3314, ~0x1f, 0xf);
+	RCBA32(0x3318) = 0x050f0000;
+	RCBA32(0x3324) = 0x04000000;
+	RCBA32_AND_OR(0x3340, ~0UL, 0xfffff);
+	RCBA32_AND_OR(0x3344, ~0UL, (1 << 1));
+	RCBA32(0x3360) = 0x0001c000;
+	RCBA32(0x3368) = 0x00061100;
+	RCBA32(0x3378) = 0x7f8fdfff;
+	RCBA32(0x337c) = 0x000003fc;
+	RCBA32(0x3388) = 0x00001000;
+	RCBA32(0x3390) = 0x0001c000;
+	RCBA32(0x33a0) = 0x00000800;
+	RCBA32(0x33b0) = 0x00001000;
+	RCBA32(0x33c0) = 0x00093900;
+	RCBA32(0x33cc) = 0x24653002;
+	RCBA32(0x33d0) = 0x062108fe;
+	RCBA32_AND_OR(0x33d4, 0xf000f000, 0x00670060);
+	RCBA32(0x3a28) = 0x01010000;
+	RCBA32(0x3a2c) = 0x01010404;
+	RCBA32(0x3a80) = 0x01041041;
+	RCBA32_AND_OR(0x3a84, ~0x0000ffff, 0x00001001);
+	RCBA32_AND_OR(0x3a84, ~0UL, (1 << 24)); /* SATA 2/3 disabled */
+	RCBA32_AND_OR(0x3a88, ~0UL, (1 << 0));  /* SATA 4/5 disabled */
+	RCBA32(0x3a6c) = 0x00000001;
+	RCBA32_AND_OR(0x2344, 0x00ffff00, 0xff00000c);
+	RCBA32_AND_OR(0x80c, ~(0xff << 20), 0x11 << 20);
+	RCBA32(0x33c8) = 0;
+	RCBA32_AND_OR(0x21b0, ~0UL, 0xf);
+}
+
+static void enable_hpet(void)
+{
+	u32 reg32;
+
+	/* Move HPET to default address 0xfed00000 and enable it */
+	reg32 = RCBA32(HPTC);
+	reg32 |= (1 << 7); // HPET Address Enable
+	reg32 &= ~(3 << 0);
+	RCBA32(HPTC) = reg32;
+}
+
+static void enable_clock_gating(device_t dev)
+{
+	u32 reg32;
+	u16 reg16;
+
+	RCBA32_AND_OR(0x2234, ~0UL, 0xf);
+
+	reg16 = pci_read_config16(dev, GEN_PMCON_1);
+	reg16 |= (1 << 2) | (1 << 11);
+	pci_write_config16(dev, GEN_PMCON_1, reg16);
+
+	pch_iobp_update(0xEB007F07, ~0UL, (1 << 31));
+	pch_iobp_update(0xEB004000, ~0UL, (1 << 7));
+	pch_iobp_update(0xEC007F07, ~0UL, (1 << 31));
+	pch_iobp_update(0xEC004000, ~0UL, (1 << 7));
+
+	reg32 = RCBA32(CG);
+	reg32 |= (1 << 31);
+	reg32 |= (1 << 29) | (1 << 28);
+	reg32 |= (1 << 27) | (1 << 26) | (1 << 25) | (1 << 24);
+	reg32 |= (1 << 16);
+	reg32 |= (1 << 17);
+	reg32 |= (1 << 18);
+	reg32 |= (1 << 22);
+	reg32 |= (1 << 23);
+	reg32 &= ~(1 << 20);
+	reg32 |= (1 << 19);
+	reg32 |= (1 << 0);
+	reg32 |= (0xf << 1);
+	RCBA32(CG) = reg32;
+
+	RCBA32_OR(0x38c0, 0x7);
+	RCBA32_OR(0x36d4, 0x6680c004);
+	RCBA32_OR(0x3564, 0x3);
+}
+
+#if CONFIG_HAVE_SMI_HANDLER
+static void pch_lock_smm(struct device *dev)
+{
+#if TEST_SMM_FLASH_LOCKDOWN
+	u8 reg8;
+#endif
+
+#if ENABLE_ACPI_MODE_IN_COREBOOT
+	printk(BIOS_DEBUG, "Enabling ACPI via APMC:\n");
+	outb(0xe1, 0xb2); // Enable ACPI mode
+	printk(BIOS_DEBUG, "done.\n");
+#else
+	printk(BIOS_DEBUG, "Disabling ACPI via APMC:\n");
+	outb(0x1e, 0xb2); // Disable ACPI mode
+	printk(BIOS_DEBUG, "done.\n");
+#endif
+	/* Don't allow evil boot loaders, kernels, or
+	 * userspace applications to deceive us:
+	 */
+	smm_lock();
+
+#if TEST_SMM_FLASH_LOCKDOWN
+	/* Now try this: */
+	printk(BIOS_DEBUG, "Locking BIOS to RO... ");
+	reg8 = pci_read_config8(dev, 0xdc);	/* BIOS_CNTL */
+	printk(BIOS_DEBUG, " BLE: %s; BWE: %s\n", (reg8&2)?"on":"off",
+			(reg8&1)?"rw":"ro");
+	reg8 &= ~(1 << 0);			/* clear BIOSWE */
+	pci_write_config8(dev, 0xdc, reg8);
+	reg8 |= (1 << 1);			/* set BLE */
+	pci_write_config8(dev, 0xdc, reg8);
+	printk(BIOS_DEBUG, "ok.\n");
+	reg8 = pci_read_config8(dev, 0xdc);	/* BIOS_CNTL */
+	printk(BIOS_DEBUG, " BLE: %s; BWE: %s\n", (reg8&2)?"on":"off",
+			(reg8&1)?"rw":"ro");
+
+	printk(BIOS_DEBUG, "Writing:\n");
+	*(volatile u8 *)0xfff00000 = 0x00;
+	printk(BIOS_DEBUG, "Testing:\n");
+	reg8 |= (1 << 0);			/* set BIOSWE */
+	pci_write_config8(dev, 0xdc, reg8);
+
+	reg8 = pci_read_config8(dev, 0xdc);	/* BIOS_CNTL */
+	printk(BIOS_DEBUG, " BLE: %s; BWE: %s\n", (reg8&2)?"on":"off",
+			(reg8&1)?"rw":"ro");
+	printk(BIOS_DEBUG, "Done.\n");
+#endif
+}
+#endif
+
+static void pch_disable_smm_only_flashing(struct device *dev)
+{
+	u8 reg8;
+
+	printk(BIOS_SPEW, "Enabling BIOS updates outside of SMM... ");
+	reg8 = pci_read_config8(dev, 0xdc);	/* BIOS_CNTL */
+	reg8 &= ~(1 << 5);
+	pci_write_config8(dev, 0xdc, reg8);
+}
+
+static void pch_fixups(struct device *dev)
+{
+	u8 gen_pmcon_2;
+
+	/* Indicate DRAM init done for MRC S3 to know it can resume */
+	gen_pmcon_2 = pci_read_config8(dev, GEN_PMCON_2);
+	gen_pmcon_2 |= (1 << 7);
+	pci_write_config8(dev, GEN_PMCON_2, gen_pmcon_2);
+
+	/*
+	 * Enable DMI ASPM in the PCH
+	 */
+	RCBA32_AND_OR(0x2304, ~(1 << 10), 0);
+	RCBA32_OR(0x21a4, (1 << 11)|(1 << 10));
+	RCBA32_OR(0x21a8, 0x3);
+}
+
+static void pch_decode_init(struct device *dev)
+{
+	config_t *config = dev->chip_info;
+
+	printk(BIOS_DEBUG, "pch_decode_init\n");
+
+	pci_write_config32(dev, LPC_GEN1_DEC, config->gen1_dec);
+	pci_write_config32(dev, LPC_GEN2_DEC, config->gen2_dec);
+	pci_write_config32(dev, LPC_GEN3_DEC, config->gen3_dec);
+	pci_write_config32(dev, LPC_GEN4_DEC, config->gen4_dec);
+}
+
+static void lpc_init(struct device *dev)
+{
+	printk(BIOS_DEBUG, "pch: lpc_init\n");
+
+	/* Set the value for PCI command register. */
+	pci_write_config16(dev, PCI_COMMAND, 0x000f);
+
+	/* IO APIC initialization. */
+	pch_enable_apic(dev);
+
+	pch_enable_serial_irqs(dev);
+
+	/* Setup the PIRQ. */
+	pch_pirq_init(dev);
+
+	/* Setup power options. */
+	pch_power_options(dev);
+
+	/* Initialize power management */
+	pch_pm_init(dev);
+
+	/* Set the state of the GPIO lines. */
+	//gpio_init(dev);
+
+	/* Initialize the real time clock. */
+	pch_rtc_init(dev);
+
+	/* Initialize ISA DMA. */
+	isa_dma_init();
+
+	/* Initialize the High Precision Event Timers, if present. */
+	enable_hpet();
+
+	/* Initialize Clock Gating */
+	enable_clock_gating(dev);
+
+	setup_i8259();
+
+	/* The OS should do this? */
+	/* Interrupt 9 should be level triggered (SCI) */
+	i8259_configure_irq_trigger(9, 1);
+
+	pch_disable_smm_only_flashing(dev);
+
+#if CONFIG_HAVE_SMI_HANDLER
+	pch_lock_smm(dev);
+#endif
+
+	pch_fixups(dev);
+}
+
+static void pch_lpc_read_resources(device_t dev)
+{
+	struct resource *res;
+
+	/* Get the normal PCI resources of this device. */
+	pci_dev_read_resources(dev);
+
+	/* Add an extra subtractive resource for both memory and I/O. */
+	res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
+	res->base = 0;
+	res->size = 0x1000;
+	res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+		     IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+	res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
+	res->base = 0xff800000;
+	res->size = 0x00800000; /* 8 MB for flash */
+	res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+		     IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+	res = new_resource(dev, 3); /* IOAPIC */
+	res->base = IO_APIC_ADDR;
+	res->size = 0x00001000;
+	res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+}
+
+static void pch_lpc_enable_resources(device_t dev)
+{
+	pch_decode_init(dev);
+	return pci_dev_enable_resources(dev);
+}
+
+static void pch_lpc_enable(device_t dev)
+{
+	/* Enable PCH Display Port */
+	RCBA16(DISPBDF) = 0x0010;
+	RCBA32_OR(FD2, PCH_ENABLE_DBDF);
+
+	pch_enable(dev);
+}
+
+static void set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	if (!vendor || !device) {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				pci_read_config32(dev, PCI_VENDOR_ID));
+	} else {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				((device & 0xffff) << 16) | (vendor & 0xffff));
+	}
+}
+
+static struct pci_operations pci_ops = {
+	.set_subsystem = set_subsystem,
+};
+
+static struct device_operations device_ops = {
+	.read_resources		= pch_lpc_read_resources,
+	.set_resources		= pci_dev_set_resources,
+	.enable_resources	= pch_lpc_enable_resources,
+	.init			= lpc_init,
+	.enable			= pch_lpc_enable,
+	.scan_bus		= scan_static_bus,
+	.ops_pci		= &pci_ops,
+};
+
+
+/* IDs for LPC device of Intel 6 series Chipset and
+ * Intel C200 Series Chipset according to specification
+ * update from August 2011
+ */
+
+static const struct pci_driver q67_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c4e,
+};
+static const struct pci_driver q65_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c4c,
+};
+static const struct pci_driver b65_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c50,
+};
+static const struct pci_driver h67_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c4a,
+};
+static const struct pci_driver z68_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c46,
+};
+static const struct pci_driver h61_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c5c,
+};
+static const struct pci_driver c202_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c52,
+};
+static const struct pci_driver c204_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c54,
+};
+static const struct pci_driver c206_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c56,
+};
+static const struct pci_driver qm67_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c4f,
+};
+static const struct pci_driver um67_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c47,
+};
+static const struct pci_driver hm67_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c4b,
+};
+static const struct pci_driver hm65_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c49,
+};
+static const struct pci_driver qs67_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c4d,
+};
+static const struct pci_driver c216_lpc __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1e55,
+};
diff --git a/src/southbridge/intel/bd82x6x/me.c b/src/southbridge/intel/bd82x6x/me.c
new file mode 100644
index 0000000000..a1ae06dfd5
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/me.c
@@ -0,0 +1,750 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+/*
+ * This is a ramstage driver for the Intel Management Engine found in the
+ * 6-series chipset.  It handles the required boot-time messages over the
+ * MMIO-based Management Engine Interface to tell the ME that the BIOS is
+ * finished with POST.  Additional messages are defined for debug but are
+ * not used unless the console loglevel is high enough.
+ */
+
+#include <arch/acpi.h>
+#include <arch/hlt.h>
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/pci_ids.h>
+#include <device/pci_def.h>
+#include <string.h>
+#include <delay.h>
+
+#ifdef __SMM__
+# include <arch/romcc_io.h>
+# include <northbridge/intel/sandybridge/pcie_config.c>
+#else
+# include <device/device.h>
+# include <device/pci.h>
+#endif
+
+#include "me.h"
+#include "pch.h"
+
+#if CONFIG_CHROMEOS
+#include <vendorcode/google/chromeos/gnvs.h>
+#endif
+
+#ifndef __SMM__
+/* Path that the BIOS should take based on ME state */
+static const char *me_bios_path_values[] = {
+	[ME_NORMAL_BIOS_PATH]		= "Normal",
+	[ME_S3WAKE_BIOS_PATH]		= "S3 Wake",
+	[ME_ERROR_BIOS_PATH]		= "Error",
+	[ME_RECOVERY_BIOS_PATH]		= "Recovery",
+	[ME_DISABLE_BIOS_PATH]		= "Disable",
+	[ME_FIRMWARE_UPDATE_BIOS_PATH]	= "Firmware Update",
+};
+#endif
+
+/* MMIO base address for MEI interface */
+static u32 mei_base_address;
+
+#if CONFIG_DEBUG_INTEL_ME
+static void mei_dump(void *ptr, int dword, int offset, const char *type)
+{
+	struct mei_csr *csr;
+
+	printk(BIOS_SPEW, "%-9s[%02x] : ", type, offset);
+
+	switch (offset) {
+	case MEI_H_CSR:
+	case MEI_ME_CSR_HA:
+		csr = ptr;
+		if (!csr) {
+			printk(BIOS_SPEW, "ERROR: 0x%08x\n", dword);
+			break;
+		}
+		printk(BIOS_SPEW, "cbd=%u cbrp=%02u cbwp=%02u ready=%u "
+		       "reset=%u ig=%u is=%u ie=%u\n", csr->buffer_depth,
+		       csr->buffer_read_ptr, csr->buffer_write_ptr,
+		       csr->ready, csr->reset, csr->interrupt_generate,
+		       csr->interrupt_status, csr->interrupt_enable);
+		break;
+	case MEI_ME_CB_RW:
+	case MEI_H_CB_WW:
+		printk(BIOS_SPEW, "CB: 0x%08x\n", dword);
+		break;
+	default:
+		printk(BIOS_SPEW, "0x%08x\n", offset);
+		break;
+	}
+}
+#else
+# define mei_dump(ptr,dword,offset,type) do {} while (0)
+#endif
+
+/*
+ * ME/MEI access helpers using memcpy to avoid aliasing.
+ */
+
+static inline void mei_read_dword_ptr(void *ptr, int offset)
+{
+	u32 dword = read32(mei_base_address + offset);
+	memcpy(ptr, &dword, sizeof(dword));
+	mei_dump(ptr, dword, offset, "READ");
+}
+
+static inline void mei_write_dword_ptr(void *ptr, int offset)
+{
+	u32 dword = 0;
+	memcpy(&dword, ptr, sizeof(dword));
+	write32(mei_base_address + offset, dword);
+	mei_dump(ptr, dword, offset, "WRITE");
+}
+
+#ifndef __SMM__
+static inline void pci_read_dword_ptr(device_t dev, void *ptr, int offset)
+{
+	u32 dword = pci_read_config32(dev, offset);
+	memcpy(ptr, &dword, sizeof(dword));
+	mei_dump(ptr, dword, offset, "PCI READ");
+}
+#endif
+
+static inline void read_host_csr(struct mei_csr *csr)
+{
+	mei_read_dword_ptr(csr, MEI_H_CSR);
+}
+
+static inline void write_host_csr(struct mei_csr *csr)
+{
+	mei_write_dword_ptr(csr, MEI_H_CSR);
+}
+
+static inline void read_me_csr(struct mei_csr *csr)
+{
+	mei_read_dword_ptr(csr, MEI_ME_CSR_HA);
+}
+
+static inline void write_cb(u32 dword)
+{
+	write32(mei_base_address + MEI_H_CB_WW, dword);
+	mei_dump(NULL, dword, MEI_H_CB_WW, "WRITE");
+}
+
+static inline u32 read_cb(void)
+{
+	u32 dword = read32(mei_base_address + MEI_ME_CB_RW);
+	mei_dump(NULL, dword, MEI_ME_CB_RW, "READ");
+	return dword;
+}
+
+/* Wait for ME ready bit to be asserted */
+static int mei_wait_for_me_ready(void)
+{
+	struct mei_csr me;
+	unsigned try = ME_RETRY;
+
+	while (try--) {
+		read_me_csr(&me);
+		if (me.ready)
+			return 0;
+		udelay(ME_DELAY);
+	}
+
+	printk(BIOS_ERR, "ME: failed to become ready\n");
+	return -1;
+}
+
+static void mei_reset(void)
+{
+	struct mei_csr host;
+
+	if (mei_wait_for_me_ready() < 0)
+		return;
+
+	/* Reset host and ME circular buffers for next message */
+	read_host_csr(&host);
+	host.reset = 1;
+	host.interrupt_generate = 1;
+	write_host_csr(&host);
+
+	if (mei_wait_for_me_ready() < 0)
+		return;
+
+	/* Re-init and indicate host is ready */
+	read_host_csr(&host);
+	host.interrupt_generate = 1;
+	host.ready = 1;
+	host.reset = 0;
+	write_host_csr(&host);
+}
+
+static int mei_send_msg(struct mei_header *mei, struct mkhi_header *mkhi,
+			void *req_data)
+{
+	struct mei_csr host;
+	unsigned ndata, n;
+	u32 *data;
+
+	/* Number of dwords to write, ignoring MKHI */
+	ndata = mei->length >> 2;
+
+	/* Pad non-dword aligned request message length */
+	if (mei->length & 3)
+		ndata++;
+	if (!ndata) {
+		printk(BIOS_DEBUG, "ME: request does not include MKHI\n");
+		return -1;
+	}
+	ndata++; /* Add MEI header */
+
+	/*
+	 * Make sure there is still room left in the circular buffer.
+	 * Reset the buffer pointers if the requested message will not fit.
+	 */
+	read_host_csr(&host);
+	if ((host.buffer_depth - host.buffer_write_ptr) < ndata) {
+		printk(BIOS_ERR, "ME: circular buffer full, resetting...\n");
+		mei_reset();
+		read_host_csr(&host);
+	}
+
+	/*
+	 * This implementation does not handle splitting large messages
+	 * across multiple transactions.  Ensure the requested length
+	 * will fit in the available circular buffer depth.
+	 */
+	if ((host.buffer_depth - host.buffer_write_ptr) < ndata) {
+		printk(BIOS_ERR, "ME: message (%u) too large for buffer (%u)\n",
+		       ndata + 2, host.buffer_depth);
+		return -1;
+	}
+
+	/* Write MEI header */
+	mei_write_dword_ptr(mei, MEI_H_CB_WW);
+	ndata--;
+
+	/* Write MKHI header */
+	mei_write_dword_ptr(mkhi, MEI_H_CB_WW);
+	ndata--;
+
+	/* Write message data */
+	data = req_data;
+	for (n = 0; n < ndata; ++n)
+		write_cb(*data++);
+
+	/* Generate interrupt to the ME */
+	read_host_csr(&host);
+	host.interrupt_generate = 1;
+	write_host_csr(&host);
+
+	/* Make sure ME is ready after sending request data */
+	return mei_wait_for_me_ready();
+}
+
+static int mei_recv_msg(struct mei_header *mei, struct mkhi_header *mkhi,
+			void *rsp_data, int rsp_bytes)
+{
+	struct mei_header mei_rsp;
+	struct mkhi_header mkhi_rsp;
+	struct mei_csr me, host;
+	unsigned ndata, n;
+	unsigned expected;
+	u32 *data;
+
+	/* Total number of dwords to read from circular buffer */
+	expected = (rsp_bytes + sizeof(mei_rsp) + sizeof(mkhi_rsp)) >> 2;
+	if (rsp_bytes & 3)
+		expected++;
+
+	/*
+	 * The interrupt status bit does not appear to indicate that the
+	 * message has actually been received.  Instead we wait until the
+	 * expected number of dwords are present in the circular buffer.
+	 */
+	for (n = ME_RETRY; n; --n) {
+		read_me_csr(&me);
+		if ((me.buffer_write_ptr - me.buffer_read_ptr) >= expected)
+			break;
+		udelay(ME_DELAY);
+	}
+	if (!n) {
+		printk(BIOS_ERR, "ME: timeout waiting for data: expected "
+		       "%u, available %u\n", expected,
+		       me.buffer_write_ptr - me.buffer_read_ptr);
+		return -1;
+	}
+
+	/* Read and verify MEI response header from the ME */
+	mei_read_dword_ptr(&mei_rsp, MEI_ME_CB_RW);
+	if (!mei_rsp.is_complete) {
+		printk(BIOS_ERR, "ME: response is not complete\n");
+		return -1;
+	}
+
+	/* Handle non-dword responses and expect at least MKHI header */
+	ndata = mei_rsp.length >> 2;
+	if (mei_rsp.length & 3)
+		ndata++;
+	if (ndata != (expected - 1)) {
+		printk(BIOS_ERR, "ME: response is missing data\n");
+		return -1;
+	}
+
+	/* Read and verify MKHI response header from the ME */
+	mei_read_dword_ptr(&mkhi_rsp, MEI_ME_CB_RW);
+	if (!mkhi_rsp.is_response ||
+	    mkhi->group_id != mkhi_rsp.group_id ||
+	    mkhi->command != mkhi_rsp.command) {
+		printk(BIOS_ERR, "ME: invalid response, group %u ?= %u, "
+		       "command %u ?= %u, is_response %u\n", mkhi->group_id,
+		       mkhi_rsp.group_id, mkhi->command, mkhi_rsp.command,
+		       mkhi_rsp.is_response);
+		return -1;
+	}
+	ndata--; /* MKHI header has been read */
+
+	/* Make sure caller passed a buffer with enough space */
+	if (ndata != (rsp_bytes >> 2)) {
+		printk(BIOS_ERR, "ME: not enough room in response buffer: "
+		       "%u != %u\n", ndata, rsp_bytes >> 2);
+		return -1;
+	}
+
+	/* Read response data from the circular buffer */
+	data = rsp_data;
+	for (n = 0; n < ndata; ++n)
+		*data++ = read_cb();
+
+	/* Tell the ME that we have consumed the response */
+	read_host_csr(&host);
+	host.interrupt_status = 1;
+	host.interrupt_generate = 1;
+	write_host_csr(&host);
+
+	return mei_wait_for_me_ready();
+}
+
+static inline int mei_sendrecv(struct mei_header *mei, struct mkhi_header *mkhi,
+			       void *req_data, void *rsp_data, int rsp_bytes)
+{
+	if (mei_send_msg(mei, mkhi, req_data) < 0)
+		return -1;
+	if (mei_recv_msg(mei, mkhi, rsp_data, rsp_bytes) < 0)
+		return -1;
+	return 0;
+}
+
+/* Send END OF POST message to the ME */
+int mkhi_end_of_post(void)
+{
+	struct mkhi_header mkhi = {
+		.group_id	= MKHI_GROUP_ID_GEN,
+		.command	= MKHI_END_OF_POST,
+	};
+	struct mei_header mei = {
+		.is_complete	= 1,
+		.host_address	= MEI_HOST_ADDRESS,
+		.client_address	= MEI_ADDRESS_MKHI,
+		.length		= sizeof(mkhi),
+	};
+
+	/* Send request and wait for response */
+	if (mei_sendrecv(&mei, &mkhi, NULL, NULL, 0) < 0) {
+		printk(BIOS_ERR, "ME: END OF POST message failed\n");
+		return -1;
+	}
+
+	printk(BIOS_INFO, "ME: END OF POST message successful\n");
+	return 0;
+}
+
+#if (CONFIG_DEFAULT_CONSOLE_LOGLEVEL >= BIOS_DEBUG) && !defined(__SMM__)
+/* Get ME firmware version */
+static int mkhi_get_fw_version(void)
+{
+	struct me_fw_version version;
+	struct mkhi_header mkhi = {
+		.group_id	= MKHI_GROUP_ID_GEN,
+		.command	= MKHI_GET_FW_VERSION,
+	};
+	struct mei_header mei = {
+		.is_complete	= 1,
+		.host_address	= MEI_HOST_ADDRESS,
+		.client_address	= MEI_ADDRESS_MKHI,
+		.length		= sizeof(mkhi),
+	};
+
+	/* Send request and wait for response */
+	if (mei_sendrecv(&mei, &mkhi, NULL, &version, sizeof(version)) < 0) {
+		printk(BIOS_ERR, "ME: GET FW VERSION message failed\n");
+		return -1;
+	}
+
+	printk(BIOS_INFO, "ME: Firmware Version %u.%u.%u.%u (code) "
+	       "%u.%u.%u.%u (recovery)\n",
+	       version.code_major, version.code_minor,
+	       version.code_build_number, version.code_hot_fix,
+	       version.recovery_major, version.recovery_minor,
+	       version.recovery_build_number, version.recovery_hot_fix);
+
+	return 0;
+}
+
+static inline void print_cap(const char *name, int state)
+{
+	printk(BIOS_DEBUG, "ME Capability: %-30s : %sabled\n",
+	       name, state ? "en" : "dis");
+}
+
+/* Get ME Firmware Capabilities */
+static int mkhi_get_fwcaps(void)
+{
+	u32 rule_id = 0;
+	struct me_fwcaps cap;
+	struct mkhi_header mkhi = {
+		.group_id	= MKHI_GROUP_ID_FWCAPS,
+		.command	= MKHI_FWCAPS_GET_RULE,
+	};
+	struct mei_header mei = {
+		.is_complete	= 1,
+		.host_address	= MEI_HOST_ADDRESS,
+		.client_address	= MEI_ADDRESS_MKHI,
+		.length		= sizeof(mkhi) + sizeof(rule_id),
+	};
+
+	/* Send request and wait for response */
+	if (mei_sendrecv(&mei, &mkhi, &rule_id, &cap, sizeof(cap)) < 0) {
+		printk(BIOS_ERR, "ME: GET FWCAPS message failed\n");
+		return -1;
+	}
+
+	print_cap("Full Network manageability", cap.caps_sku.full_net);
+	print_cap("Regular Network manageability", cap.caps_sku.std_net);
+	print_cap("Manageability", cap.caps_sku.manageability);
+	print_cap("Small business technology", cap.caps_sku.small_business);
+	print_cap("Level III manageability", cap.caps_sku.l3manageability);
+	print_cap("IntelR Anti-Theft (AT)", cap.caps_sku.intel_at);
+	print_cap("IntelR Capability Licensing Service (CLS)",
+		  cap.caps_sku.intel_cls);
+	print_cap("IntelR Power Sharing Technology (MPC)",
+		  cap.caps_sku.intel_mpc);
+	print_cap("ICC Over Clocking", cap.caps_sku.icc_over_clocking);
+        print_cap("Protected Audio Video Path (PAVP)", cap.caps_sku.pavp);
+	print_cap("IPV6", cap.caps_sku.ipv6);
+	print_cap("KVM Remote Control (KVM)", cap.caps_sku.kvm);
+	print_cap("Outbreak Containment Heuristic (OCH)", cap.caps_sku.och);
+	print_cap("Virtual LAN (VLAN)", cap.caps_sku.vlan);
+	print_cap("TLS", cap.caps_sku.tls);
+	print_cap("Wireless LAN (WLAN)", cap.caps_sku.wlan);
+
+	return 0;
+}
+#endif
+
+/* Tell ME to issue a global reset */
+int mkhi_global_reset(void)
+{
+	struct me_global_reset reset = {
+		.request_origin	= GLOBAL_RESET_BIOS_POST,
+		.reset_type	= CBM_RR_GLOBAL_RESET,
+	};
+	struct mkhi_header mkhi = {
+		.group_id	= MKHI_GROUP_ID_CBM,
+		.command	= MKHI_GLOBAL_RESET,
+	};
+	struct mei_header mei = {
+		.is_complete	= 1,
+		.length		= sizeof(mkhi) + sizeof(reset),
+		.host_address	= MEI_HOST_ADDRESS,
+		.client_address	= MEI_ADDRESS_MKHI,
+	};
+
+	printk(BIOS_NOTICE, "ME: Requesting global reset\n");
+
+	/* Send request and wait for response */
+	if (mei_sendrecv(&mei, &mkhi, &reset, NULL, 0) < 0) {
+		/* No response means reset will happen shortly... */
+		hlt();
+	}
+
+	/* If the ME responded it rejected the reset request */
+	printk(BIOS_ERR, "ME: Global Reset failed\n");
+	return -1;
+}
+
+#ifdef __SMM__
+
+void intel_me_finalize_smm(void)
+{
+	struct me_hfs hfs;
+	u32 reg32;
+
+	mei_base_address =
+		pcie_read_config32(PCH_ME_DEV, PCI_BASE_ADDRESS_0) & ~0xf;
+
+	/* S3 path will have hidden this device already */
+	if (!mei_base_address || mei_base_address == 0xfffffff0)
+		return;
+
+	/* Make sure ME is in a mode that expects EOP */
+	reg32 = pcie_read_config32(PCH_ME_DEV, PCI_ME_HFS);
+	memcpy(&hfs, &reg32, sizeof(u32));
+
+	/* Abort and leave device alone if not normal mode */
+	if (hfs.fpt_bad ||
+	    hfs.working_state != ME_HFS_CWS_NORMAL ||
+	    hfs.operation_mode != ME_HFS_MODE_NORMAL)
+		return;
+
+	/* Try to send EOP command so ME stops accepting other commands */
+	mkhi_end_of_post();
+
+	/* Make sure IO is disabled */
+	reg32 = pcie_read_config32(PCH_ME_DEV, PCI_COMMAND);
+	reg32 &= ~(PCI_COMMAND_MASTER |
+		   PCI_COMMAND_MEMORY | PCI_COMMAND_IO);
+	pcie_write_config32(PCH_ME_DEV, PCI_COMMAND, reg32);
+
+	/* Hide the PCI device */
+	RCBA32_OR(FD2, PCH_DISABLE_MEI1);
+}
+
+#else /* !__SMM__ */
+
+/* Determine the path that we should take based on ME status */
+static me_bios_path intel_me_path(device_t dev)
+{
+	me_bios_path path = ME_DISABLE_BIOS_PATH;
+	struct me_hfs hfs;
+	struct me_gmes gmes;
+
+#if CONFIG_HAVE_ACPI_RESUME
+	/* S3 wake skips all MKHI messages */
+	if (acpi_slp_type == 3) {
+		return ME_S3WAKE_BIOS_PATH;
+	}
+#endif
+
+	pci_read_dword_ptr(dev, &hfs, PCI_ME_HFS);
+	pci_read_dword_ptr(dev, &gmes, PCI_ME_GMES);
+
+	/* Check and dump status */
+	intel_me_status(&hfs, &gmes);
+
+	/* Check for valid firmware */
+	if (hfs.fpt_bad)
+		return ME_ERROR_BIOS_PATH;
+
+	/* Check Current Working State */
+	switch (hfs.working_state) {
+	case ME_HFS_CWS_NORMAL:
+		path = ME_NORMAL_BIOS_PATH;
+		break;
+	case ME_HFS_CWS_REC:
+		path = ME_RECOVERY_BIOS_PATH;
+		break;
+	default:
+		path = ME_DISABLE_BIOS_PATH;
+		break;
+	}
+
+	/* Check Current Operation Mode */
+	switch (hfs.operation_mode) {
+	case ME_HFS_MODE_NORMAL:
+		break;
+	case ME_HFS_MODE_DEBUG:
+	case ME_HFS_MODE_DIS:
+	case ME_HFS_MODE_OVER_JMPR:
+	case ME_HFS_MODE_OVER_MEI:
+	default:
+		path = ME_DISABLE_BIOS_PATH;
+		break;
+	}
+
+	/* Check for any error code */
+	if (hfs.error_code)
+		path = ME_ERROR_BIOS_PATH;
+
+	return path;
+}
+
+/* Prepare ME for MEI messages */
+static int intel_mei_setup(device_t dev)
+{
+	struct resource *res;
+	struct mei_csr host;
+	u32 reg32;
+
+	/* Find the MMIO base for the ME interface */
+	res = find_resource(dev, PCI_BASE_ADDRESS_0);
+	if (!res || res->base == 0 || res->size == 0) {
+		printk(BIOS_DEBUG, "ME: MEI resource not present!\n");
+		return -1;
+	}
+	mei_base_address = res->base;
+
+	/* Ensure Memory and Bus Master bits are set */
+	reg32 = pci_read_config32(dev, PCI_COMMAND);
+	reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+	pci_write_config32(dev, PCI_COMMAND, reg32);
+
+	/* Clean up status for next message */
+	read_host_csr(&host);
+	host.interrupt_generate = 1;
+	host.ready = 1;
+	host.reset = 0;
+	write_host_csr(&host);
+
+	return 0;
+}
+
+/* Read the Extend register hash of ME firmware */
+static int intel_me_extend_valid(device_t dev)
+{
+	struct me_heres status;
+	u32 extend[] = {0};
+	int i, count = 0;
+
+	pci_read_dword_ptr(dev, &status, PCI_ME_HERES);
+	if (!status.extend_feature_present) {
+		printk(BIOS_ERR, "ME: Extend Feature not present\n");
+		return -1;
+	}
+
+	if (!status.extend_reg_valid) {
+		printk(BIOS_ERR, "ME: Extend Register not valid\n");
+		return -1;
+	}
+
+	switch (status.extend_reg_algorithm) {
+	case PCI_ME_EXT_SHA1:
+		count = 5;
+		printk(BIOS_DEBUG, "ME: Extend SHA-1: ");
+		break;
+	case PCI_ME_EXT_SHA256:
+		count = 8;
+		printk(BIOS_DEBUG, "ME: Extend SHA-256: ");
+		break;
+	default:
+		printk(BIOS_ERR, "ME: Extend Algorithm %d unknown\n",
+		       status.extend_reg_algorithm);
+		return -1;
+	}
+
+	for (i = 0; i < count; ++i) {
+		extend[i] = pci_read_config32(dev, PCI_ME_HER(i));
+		printk(BIOS_DEBUG, "%08x", extend[i]);
+	}
+	printk(BIOS_DEBUG, "\n");
+
+#if CONFIG_CHROMEOS
+	/* Save hash in NVS for the OS to verify */
+	chromeos_set_me_hash(extend, count);
+#endif
+
+	return 0;
+}
+
+/* Hide the ME virtual PCI devices */
+static void intel_me_hide(device_t dev)
+{
+	dev->enabled = 0;
+	pch_enable(dev);
+}
+
+/* Check whether ME is present and do basic init */
+static void intel_me_init(device_t dev)
+{
+	me_bios_path path = intel_me_path(dev);
+
+	/* Do initial setup and determine the BIOS path */
+	printk(BIOS_NOTICE, "ME: BIOS path: %s\n", me_bios_path_values[path]);
+
+	switch (path) {
+	case ME_S3WAKE_BIOS_PATH:
+		intel_me_hide(dev);
+		break;
+
+	case ME_NORMAL_BIOS_PATH:
+		/* Validate the extend register */
+		if (intel_me_extend_valid(dev) < 0)
+			break; /* TODO: force recovery mode */
+
+		/* Prepare MEI MMIO interface */
+		if (intel_mei_setup(dev) < 0)
+			break;
+
+#if (CONFIG_DEFAULT_CONSOLE_LOGLEVEL >= BIOS_DEBUG)
+		/* Print ME firmware version */
+		mkhi_get_fw_version();
+		/* Print ME firmware capabilities */
+		mkhi_get_fwcaps();
+#endif
+
+		/*
+		 * Leave the ME unlocked in this path.
+		 * It will be locked via SMI command later.
+		 */
+		break;
+
+	case ME_ERROR_BIOS_PATH:
+	case ME_RECOVERY_BIOS_PATH:
+	case ME_DISABLE_BIOS_PATH:
+	case ME_FIRMWARE_UPDATE_BIOS_PATH:
+		/*
+		 * TODO(dlaurie) Force recovery mode if ME is unhappy?
+		 */
+		break;
+	}
+}
+
+static void set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	if (!vendor || !device) {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+			   pci_read_config32(dev, PCI_VENDOR_ID));
+	} else {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+			   ((device & 0xffff) << 16) | (vendor & 0xffff));
+	}
+}
+
+static struct pci_operations pci_ops = {
+	.set_subsystem = set_subsystem,
+};
+
+static struct device_operations device_ops = {
+	.read_resources		= pci_dev_read_resources,
+	.set_resources		= pci_dev_set_resources,
+	.enable_resources	= pci_dev_enable_resources,
+	.init			= intel_me_init,
+	.scan_bus		= scan_static_bus,
+	.ops_pci		= &pci_ops,
+};
+
+static const struct pci_driver intel_me __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c3a,
+};
+
+#endif /* !__SMM__ */
diff --git a/src/southbridge/intel/bd82x6x/me.h b/src/southbridge/intel/bd82x6x/me.h
new file mode 100644
index 0000000000..53964a2faa
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/me.h
@@ -0,0 +1,376 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#ifndef _INTEL_ME_H
+#define _INTEL_ME_H
+
+#define ME_RETRY		100000	/* 1 second */
+#define ME_DELAY		10	/* 10 us */
+
+/*
+ * Management Engine PCI registers
+ */
+
+#define PCI_CPU_DEVICE		PCI_DEV(0,0,0)
+#define PCI_CPU_MEBASE_L	0x70	/* Set by MRC */
+#define PCI_CPU_MEBASE_H	0x74	/* Set by MRC */
+
+#define PCI_ME_HFS		0x40
+#define  ME_HFS_CWS_RESET	0
+#define  ME_HFS_CWS_INIT	1
+#define  ME_HFS_CWS_REC		2
+#define  ME_HFS_CWS_NORMAL	5
+#define  ME_HFS_CWS_WAIT	6
+#define  ME_HFS_CWS_TRANS	7
+#define  ME_HFS_CWS_INVALID	8
+#define  ME_HFS_STATE_PREBOOT	0
+#define  ME_HFS_STATE_M0_UMA	1
+#define  ME_HFS_STATE_M3	4
+#define  ME_HFS_STATE_M0	5
+#define  ME_HFS_STATE_BRINGUP	6
+#define  ME_HFS_STATE_ERROR	7
+#define  ME_HFS_ERROR_NONE	0
+#define  ME_HFS_ERROR_UNCAT	1
+#define  ME_HFS_ERROR_IMAGE	3
+#define  ME_HFS_ERROR_DEBUG	4
+#define  ME_HFS_MODE_NORMAL	0
+#define  ME_HFS_MODE_DEBUG	2
+#define  ME_HFS_MODE_DIS	3
+#define  ME_HFS_MODE_OVER_JMPR	4
+#define  ME_HFS_MODE_OVER_MEI	5
+#define  ME_HFS_BIOS_DRAM_ACK	1
+#define  ME_HFS_ACK_NO_DID	0
+#define  ME_HFS_ACK_RESET	1
+#define  ME_HFS_ACK_PWR_CYCLE	2
+#define  ME_HFS_ACK_S3		3
+#define  ME_HFS_ACK_S4		4
+#define  ME_HFS_ACK_S5		5
+#define  ME_HFS_ACK_GBL_RESET	6
+#define  ME_HFS_ACK_CONTINUE	7
+
+struct me_hfs {
+	u32 working_state: 4;
+	u32 mfg_mode: 1;
+	u32 fpt_bad: 1;
+	u32 operation_state: 3;
+	u32 fw_init_complete: 1;
+	u32 ft_bup_ld_flr: 1;
+	u32 update_in_progress: 1;
+	u32 error_code: 4;
+	u32 operation_mode: 4;
+	u32 reserved: 4;
+	u32 boot_options_present: 1;
+	u32 ack_data: 3;
+	u32 bios_msg_ack: 4;
+} __attribute__ ((packed));
+
+#define PCI_ME_UMA		0x44
+
+struct me_uma {
+	u32 size: 6;
+	u32 reserved_1: 10;
+	u32 valid: 1;
+	u32 reserved_0: 14;
+	u32 set_to_one: 1;
+} __attribute__ ((packed));
+
+#define PCI_ME_H_GS		0x4c
+#define  ME_INIT_DONE		1
+#define  ME_INIT_STATUS_SUCCESS	0
+#define  ME_INIT_STATUS_NOMEM	1
+#define  ME_INIT_STATUS_ERROR	2
+
+struct me_did {
+	u32 uma_base: 16;
+	u32 reserved: 8;
+	u32 status: 4;
+	u32 init_done: 4;
+} __attribute__ ((packed));
+
+#define PCI_ME_GMES		0x48
+#define  ME_GMES_PHASE_ROM	0
+#define  ME_GMES_PHASE_BUP	1
+#define  ME_GMES_PHASE_UKERNEL	2
+#define  ME_GMES_PHASE_POLICY	3
+#define  ME_GMES_PHASE_MODULE	4
+#define  ME_GMES_PHASE_UNKNOWN	5
+#define  ME_GMES_PHASE_HOST	6
+
+struct me_gmes {
+	u32 bist_in_prog : 1;
+	u32 icc_prog_sts : 2;
+	u32 invoke_mebx : 1;
+	u32 cpu_replaced_sts : 1;
+	u32 mbp_rdy : 1;
+	u32 mfs_failure : 1;
+	u32 warm_rst_req_for_df : 1;
+	u32 cpu_replaced_valid : 1;
+	u32 reserved_1 : 2;
+	u32 fw_upd_ipu : 1;
+	u32 reserved_2 : 4;
+	u32 current_state: 8;
+	u32 current_pmevent: 4;
+	u32 progress_code: 4;
+} __attribute__ ((packed));
+
+#define PCI_ME_HERES		0xbc
+#define  PCI_ME_EXT_SHA1	0x00
+#define  PCI_ME_EXT_SHA256	0x02
+#define PCI_ME_HER(x)		(0xc0+(4*(x)))
+
+struct me_heres {
+	u32 extend_reg_algorithm: 4;
+	u32 reserved: 26;
+	u32 extend_feature_present: 1;
+	u32 extend_reg_valid: 1;
+} __attribute__ ((packed));
+
+/*
+ * Management Engine MEI registers
+ */
+
+#define MEI_H_CB_WW		0x00
+#define MEI_H_CSR		0x04
+#define MEI_ME_CB_RW		0x08
+#define MEI_ME_CSR_HA		0x0c
+
+struct mei_csr {
+	u32 interrupt_enable: 1;
+	u32 interrupt_status: 1;
+	u32 interrupt_generate: 1;
+	u32 ready: 1;
+	u32 reset: 1;
+	u32 reserved: 3;
+	u32 buffer_read_ptr: 8;
+	u32 buffer_write_ptr: 8;
+	u32 buffer_depth: 8;
+} __attribute__ ((packed));
+
+#define MEI_ADDRESS_CORE	0x01
+#define MEI_ADDRESS_AMT		0x02
+#define MEI_ADDRESS_RESERVED	0x03
+#define MEI_ADDRESS_WDT		0x04
+#define MEI_ADDRESS_MKHI	0x07
+#define MEI_ADDRESS_ICC		0x08
+#define MEI_ADDRESS_THERMAL	0x09
+
+#define MEI_HOST_ADDRESS	0
+
+struct mei_header {
+	u32 client_address: 8;
+	u32 host_address: 8;
+	u32 length: 9;
+	u32 reserved: 6;
+	u32 is_complete: 1;
+} __attribute__ ((packed));
+
+#define MKHI_GROUP_ID_CBM	0x00
+#define MKHI_GROUP_ID_FWCAPS	0x03
+#define MKHI_GROUP_ID_MDES	0x08
+#define MKHI_GROUP_ID_GEN	0xff
+
+#define MKHI_GLOBAL_RESET	0x0b
+
+#define MKHI_FWCAPS_GET_RULE	0x02
+
+#define MKHI_MDES_ENABLE	0x09
+
+#define MKHI_GET_FW_VERSION	0x02
+#define MKHI_END_OF_POST	0x0c
+#define MKHI_FEATURE_OVERRIDE	0x14
+
+struct mkhi_header {
+	u32 group_id: 8;
+	u32 command: 7;
+	u32 is_response: 1;
+	u32 reserved: 8;
+	u32 result: 8;
+} __attribute__ ((packed));
+
+struct me_fw_version {
+	u16 code_minor;
+	u16 code_major;
+	u16 code_build_number;
+	u16 code_hot_fix;
+	u16 recovery_minor;
+	u16 recovery_major;
+	u16 recovery_build_number;
+	u16 recovery_hot_fix;
+} __attribute__ ((packed));
+
+
+#define HECI_EOP_STATUS_SUCCESS       0x0
+#define HECI_EOP_PERFORM_GLOBAL_RESET 0x1
+
+#define CBM_RR_GLOBAL_RESET	0x01
+
+#define GLOBAL_RESET_BIOS_MRC	0x01
+#define GLOBAL_RESET_BIOS_POST	0x02
+#define GLOBAL_RESET_MEBX	0x03
+
+struct me_global_reset {
+	u8 request_origin;
+	u8 reset_type;
+} __attribute__ ((packed));
+
+typedef enum {
+	ME_NORMAL_BIOS_PATH,
+	ME_S3WAKE_BIOS_PATH,
+	ME_ERROR_BIOS_PATH,
+	ME_RECOVERY_BIOS_PATH,
+	ME_DISABLE_BIOS_PATH,
+	ME_FIRMWARE_UPDATE_BIOS_PATH,
+} me_bios_path;
+
+/* Defined in me_status.c for both romstage and ramstage */
+void intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes);
+
+#ifdef __PRE_RAM__
+void intel_early_me_status(void);
+int intel_early_me_init(void);
+int intel_early_me_uma_size(void);
+int intel_early_me_init_done(u8 status);
+#else
+/* ME Kernel Host Interface Messages */
+int mkhi_end_of_post(void);
+int mkhi_global_reset(void);
+#endif
+
+#ifdef __SMM__
+void intel_me_finalize_smm(void);
+#endif
+typedef struct {
+	u32       major_version  : 16;
+	u32       minor_version  : 16;
+	u32       hotfix_version : 16;
+	u32       build_version  : 16;
+} __attribute__ ((packed)) mbp_fw_version_name;
+
+typedef struct {
+	u8        num_icc_profiles;
+	u8        icc_profile_soft_strap;
+	u8        icc_profile_index;
+	u8        reserved;
+	u32       register_lock_mask[3];
+} __attribute__ ((packed)) mbp_icc_profile;
+
+typedef struct {
+	u32  full_net		: 1;
+	u32  std_net		: 1;
+	u32  manageability	: 1;
+	u32  small_business	: 1;
+	u32  l3manageability	: 1;
+	u32  intel_at		: 1;
+	u32  intel_cls		: 1;
+	u32  reserved		: 3;
+	u32  intel_mpc		: 1;
+	u32  icc_over_clocking	: 1;
+	u32  pavp		: 1;
+	u32  reserved_1		: 4;
+	u32  ipv6		: 1;
+	u32  kvm		: 1;
+	u32  och		: 1;
+	u32  vlan		: 1;
+	u32  tls		: 1;
+	u32  reserved_4		: 1;
+	u32  wlan		: 1;
+	u32  reserved_5		: 8;
+} __attribute__ ((packed)) mefwcaps_sku;
+
+typedef struct {
+	u16  lock_state		     : 1;
+	u16  authenticate_module     : 1;
+	u16  s3authentication  	     : 1;
+	u16  flash_wear_out          : 1;
+	u16  flash_variable_security : 1;
+	u16  wwan3gpresent	     : 1;
+	u16  wwan3goob		     : 1;
+	u16  reserved		     : 9;
+} __attribute__ ((packed)) tdt_state_flag;
+
+typedef struct {
+	u8           state;
+	u8           last_theft_trigger;
+	tdt_state_flag  flags;
+}  __attribute__ ((packed)) tdt_state_info;
+
+typedef struct {
+	u32  platform_target_usage_type	 : 4;
+	u32  platform_target_market_type : 2;
+	u32  super_sku			 : 1;
+	u32  reserved			 : 1;
+	u32  intel_me_fw_image_type	 : 4;
+	u32  platform_brand		 : 4;
+	u32  reserved_1			 : 16;
+}  __attribute__ ((packed)) platform_type_rule_data;
+
+typedef struct {
+	mefwcaps_sku fw_capabilities;
+	u8      available;
+} mbp_fw_caps;
+
+typedef struct {
+	u16        device_id;
+	u16        fuse_test_flags;
+	u32        umchid[4];
+}  __attribute__ ((packed)) mbp_rom_bist_data;
+
+typedef struct {
+	u32        key[8];
+} mbp_platform_key;
+
+typedef struct {
+	platform_type_rule_data rule_data;
+	u8	          available;
+} mbp_plat_type;
+
+typedef struct {
+	mbp_fw_version_name fw_version_name;
+	mbp_fw_caps	    fw_caps_sku;
+	mbp_rom_bist_data   rom_bist_data;
+	mbp_platform_key    platform_key;
+	mbp_plat_type	    fw_plat_type;
+	mbp_icc_profile	    icc_profile;
+	tdt_state_info	    at_state;
+	u32		    mfsintegrity;
+} me_bios_payload;
+
+typedef  struct {
+	u32  mbp_size	 : 8;
+	u32  num_entries : 8;
+	u32  rsvd      	 : 16;
+} __attribute__ ((packed)) mbp_header;
+
+typedef struct {
+	u32  app_id  : 8;
+	u32  item_id : 8;
+	u32  length  : 8;
+	u32  rsvd    : 8;
+}  __attribute__ ((packed)) mbp_item_header;
+
+struct me_fwcaps {
+	u32 id;
+	u8 length;
+	mefwcaps_sku caps_sku;
+	u8 reserved[3];
+} __attribute__ ((packed));
+
+#endif /* _INTEL_ME_H */
diff --git a/src/southbridge/intel/bd82x6x/me_8.x.c b/src/southbridge/intel/bd82x6x/me_8.x.c
new file mode 100644
index 0000000000..1bb2ce38dc
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/me_8.x.c
@@ -0,0 +1,919 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+/*
+ * This is a ramstage driver for the Intel Management Engine found in the
+ * 6-series chipset.  It handles the required boot-time messages over the
+ * MMIO-based Management Engine Interface to tell the ME that the BIOS is
+ * finished with POST.  Additional messages are defined for debug but are
+ * not used unless the console loglevel is high enough.
+ */
+
+#include <arch/acpi.h>
+#include <arch/hlt.h>
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/pci_ids.h>
+#include <device/pci_def.h>
+#include <string.h>
+#include <delay.h>
+
+#ifdef __SMM__
+# include <arch/romcc_io.h>
+# include <northbridge/intel/sandybridge/pcie_config.c>
+#else
+# include <device/device.h>
+# include <device/pci.h>
+#endif
+
+#include "me.h"
+#include "pch.h"
+
+#if CONFIG_CHROMEOS
+#include <vendorcode/google/chromeos/chromeos.h>
+#endif
+
+#ifndef __SMM__
+/* Path that the BIOS should take based on ME state */
+static const char *me_bios_path_values[] = {
+	[ME_NORMAL_BIOS_PATH]		= "Normal",
+	[ME_S3WAKE_BIOS_PATH]		= "S3 Wake",
+	[ME_ERROR_BIOS_PATH]		= "Error",
+	[ME_RECOVERY_BIOS_PATH]		= "Recovery",
+	[ME_DISABLE_BIOS_PATH]		= "Disable",
+	[ME_FIRMWARE_UPDATE_BIOS_PATH]	= "Firmware Update",
+};
+static int intel_me_read_mbp(me_bios_payload *mbp_data);
+#endif
+
+/* MMIO base address for MEI interface */
+static u32 mei_base_address;
+
+#if CONFIG_DEBUG_INTEL_ME
+static void mei_dump(void *ptr, int dword, int offset, const char *type)
+{
+	struct mei_csr *csr;
+
+	printk(BIOS_SPEW, "%-9s[%02x] : ", type, offset);
+
+	switch (offset) {
+	case MEI_H_CSR:
+	case MEI_ME_CSR_HA:
+		csr = ptr;
+		if (!csr) {
+			printk(BIOS_SPEW, "ERROR: 0x%08x\n", dword);
+			break;
+		}
+		printk(BIOS_SPEW, "cbd=%u cbrp=%02u cbwp=%02u ready=%u "
+		       "reset=%u ig=%u is=%u ie=%u\n", csr->buffer_depth,
+		       csr->buffer_read_ptr, csr->buffer_write_ptr,
+		       csr->ready, csr->reset, csr->interrupt_generate,
+		       csr->interrupt_status, csr->interrupt_enable);
+		break;
+	case MEI_ME_CB_RW:
+	case MEI_H_CB_WW:
+		printk(BIOS_SPEW, "CB: 0x%08x\n", dword);
+		break;
+	default:
+		printk(BIOS_SPEW, "0x%08x\n", offset);
+		break;
+	}
+}
+#else
+# define mei_dump(ptr,dword,offset,type) do {} while (0)
+#endif
+
+/*
+ * ME/MEI access helpers using memcpy to avoid aliasing.
+ */
+
+static inline void mei_read_dword_ptr(void *ptr, int offset)
+{
+	u32 dword = read32(mei_base_address + offset);
+	memcpy(ptr, &dword, sizeof(dword));
+	mei_dump(ptr, dword, offset, "READ");
+}
+
+static inline void mei_write_dword_ptr(void *ptr, int offset)
+{
+	u32 dword = 0;
+	memcpy(&dword, ptr, sizeof(dword));
+	write32(mei_base_address + offset, dword);
+	mei_dump(ptr, dword, offset, "WRITE");
+}
+
+#ifndef __SMM__
+static inline void pci_read_dword_ptr(device_t dev, void *ptr, int offset)
+{
+	u32 dword = pci_read_config32(dev, offset);
+	memcpy(ptr, &dword, sizeof(dword));
+	mei_dump(ptr, dword, offset, "PCI READ");
+}
+#endif
+
+static inline void read_host_csr(struct mei_csr *csr)
+{
+	mei_read_dword_ptr(csr, MEI_H_CSR);
+}
+
+static inline void write_host_csr(struct mei_csr *csr)
+{
+	mei_write_dword_ptr(csr, MEI_H_CSR);
+}
+
+static inline void read_me_csr(struct mei_csr *csr)
+{
+	mei_read_dword_ptr(csr, MEI_ME_CSR_HA);
+}
+
+static inline void write_cb(u32 dword)
+{
+	write32(mei_base_address + MEI_H_CB_WW, dword);
+	mei_dump(NULL, dword, MEI_H_CB_WW, "WRITE");
+}
+
+static inline u32 read_cb(void)
+{
+	u32 dword = read32(mei_base_address + MEI_ME_CB_RW);
+	mei_dump(NULL, dword, MEI_ME_CB_RW, "READ");
+	return dword;
+}
+
+/* Wait for ME ready bit to be asserted */
+static int mei_wait_for_me_ready(void)
+{
+	struct mei_csr me;
+	unsigned try = ME_RETRY;
+
+	while (try--) {
+		read_me_csr(&me);
+		if (me.ready)
+			return 0;
+		udelay(ME_DELAY);
+	}
+
+	printk(BIOS_ERR, "ME: failed to become ready\n");
+	return -1;
+}
+
+static void mei_reset(void)
+{
+	struct mei_csr host;
+
+	if (mei_wait_for_me_ready() < 0)
+		return;
+
+	/* Reset host and ME circular buffers for next message */
+	read_host_csr(&host);
+	host.reset = 1;
+	host.interrupt_generate = 1;
+	write_host_csr(&host);
+
+	if (mei_wait_for_me_ready() < 0)
+		return;
+
+	/* Re-init and indicate host is ready */
+	read_host_csr(&host);
+	host.interrupt_generate = 1;
+	host.ready = 1;
+	host.reset = 0;
+	write_host_csr(&host);
+}
+
+static int mei_send_msg(struct mei_header *mei, struct mkhi_header *mkhi,
+			void *req_data)
+{
+	struct mei_csr host;
+	unsigned ndata, n;
+	u32 *data;
+
+	/* Number of dwords to write, ignoring MKHI */
+	ndata = mei->length >> 2;
+
+	/* Pad non-dword aligned request message length */
+	if (mei->length & 3)
+		ndata++;
+	if (!ndata) {
+		printk(BIOS_DEBUG, "ME: request does not include MKHI\n");
+		return -1;
+	}
+	ndata++; /* Add MEI header */
+
+	/*
+	 * Make sure there is still room left in the circular buffer.
+	 * Reset the buffer pointers if the requested message will not fit.
+	 */
+	read_host_csr(&host);
+	if ((host.buffer_depth - host.buffer_write_ptr) < ndata) {
+		printk(BIOS_ERR, "ME: circular buffer full, resetting...\n");
+		mei_reset();
+		read_host_csr(&host);
+	}
+
+	/*
+	 * This implementation does not handle splitting large messages
+	 * across multiple transactions.  Ensure the requested length
+	 * will fit in the available circular buffer depth.
+	 */
+	if ((host.buffer_depth - host.buffer_write_ptr) < ndata) {
+		printk(BIOS_ERR, "ME: message (%u) too large for buffer (%u)\n",
+		       ndata + 2, host.buffer_depth);
+		return -1;
+	}
+
+	/* Write MEI header */
+	mei_write_dword_ptr(mei, MEI_H_CB_WW);
+	ndata--;
+
+	/* Write MKHI header */
+	mei_write_dword_ptr(mkhi, MEI_H_CB_WW);
+	ndata--;
+
+	/* Write message data */
+	data = req_data;
+	for (n = 0; n < ndata; ++n)
+		write_cb(*data++);
+
+	/* Generate interrupt to the ME */
+	read_host_csr(&host);
+	host.interrupt_generate = 1;
+	write_host_csr(&host);
+
+	/* Make sure ME is ready after sending request data */
+	return mei_wait_for_me_ready();
+}
+
+static int mei_recv_msg(struct mkhi_header *mkhi,
+			void *rsp_data, int rsp_bytes)
+{
+	struct mei_header mei_rsp;
+	struct mkhi_header mkhi_rsp;
+	struct mei_csr me, host;
+	unsigned ndata, n/*, me_data_len*/;
+	unsigned expected;
+	u32 *data;
+
+	/* Total number of dwords to read from circular buffer */
+	expected = (rsp_bytes + sizeof(mei_rsp) + sizeof(mkhi_rsp)) >> 2;
+	if (rsp_bytes & 3)
+		expected++;
+
+	/*
+	 * The interrupt status bit does not appear to indicate that the
+	 * message has actually been received.  Instead we wait until the
+	 * expected number of dwords are present in the circular buffer.
+	 */
+	for (n = ME_RETRY; n; --n) {
+		read_me_csr(&me);
+		if ((me.buffer_write_ptr - me.buffer_read_ptr) >= expected)
+			break;
+		udelay(ME_DELAY);
+	}
+	if (!n) {
+		printk(BIOS_ERR, "ME: timeout waiting for data: expected "
+		       "%u, available %u\n", expected,
+		       me.buffer_write_ptr - me.buffer_read_ptr);
+		return -1;
+	}
+
+	/* Read and verify MEI response header from the ME */
+	mei_read_dword_ptr(&mei_rsp, MEI_ME_CB_RW);
+	if (!mei_rsp.is_complete) {
+		printk(BIOS_ERR, "ME: response is not complete\n");
+		return -1;
+	}
+
+	/* Handle non-dword responses and expect at least MKHI header */
+	ndata = mei_rsp.length >> 2;
+	if (mei_rsp.length & 3)
+		ndata++;
+	if (ndata != (expected - 1)) {
+		printk(BIOS_ERR, "ME: response is missing data %d != %d\n",
+		       ndata, (expected - 1));
+		return -1;
+	}
+
+	/* Read and verify MKHI response header from the ME */
+	mei_read_dword_ptr(&mkhi_rsp, MEI_ME_CB_RW);
+	if (!mkhi_rsp.is_response ||
+	    mkhi->group_id != mkhi_rsp.group_id ||
+	    mkhi->command != mkhi_rsp.command) {
+		printk(BIOS_ERR, "ME: invalid response, group %u ?= %u,"
+		       "command %u ?= %u, is_response %u\n", mkhi->group_id,
+		       mkhi_rsp.group_id, mkhi->command, mkhi_rsp.command,
+		       mkhi_rsp.is_response);
+		return -1;
+	}
+	ndata--; /* MKHI header has been read */
+
+	/* Make sure caller passed a buffer with enough space */
+	if (ndata != (rsp_bytes >> 2)) {
+		printk(BIOS_ERR, "ME: not enough room in response buffer: "
+		       "%u != %u\n", ndata, rsp_bytes >> 2);
+		return -1;
+	}
+
+	/* Read response data from the circular buffer */
+	data = rsp_data;
+	for (n = 0; n < ndata; ++n)
+		*data++ = read_cb();
+
+	/* Tell the ME that we have consumed the response */
+	read_host_csr(&host);
+	host.interrupt_status = 1;
+	host.interrupt_generate = 1;
+	write_host_csr(&host);
+
+	return mei_wait_for_me_ready();
+}
+
+static inline int mei_sendrecv(struct mei_header *mei, struct mkhi_header *mkhi,
+			       void *req_data, void *rsp_data, int rsp_bytes)
+{
+	if (mei_send_msg(mei, mkhi, req_data) < 0)
+		return -1;
+	if (mei_recv_msg(mkhi, rsp_data, rsp_bytes) < 0)
+		return -1;
+	return 0;
+}
+
+/* Send END OF POST message to the ME */
+int mkhi_end_of_post(void)
+{
+	struct mkhi_header mkhi = {
+		.group_id	= MKHI_GROUP_ID_GEN,
+		.command	= MKHI_END_OF_POST,
+	};
+	struct mei_header mei = {
+		.is_complete	= 1,
+		.host_address	= MEI_HOST_ADDRESS,
+		.client_address	= MEI_ADDRESS_MKHI,
+		.length		= sizeof(mkhi),
+	};
+
+	u32 eop_ack;
+
+	/* Send request and wait for response */
+	printk(BIOS_NOTICE, "ME: %s\n", __FUNCTION__);
+	if (mei_sendrecv(&mei, &mkhi, NULL, &eop_ack, sizeof(eop_ack)) < 0) {
+		printk(BIOS_ERR, "ME: END OF POST message failed\n");
+		return -1;
+	}
+
+	printk(BIOS_INFO, "ME: END OF POST message successful (%d)\n", eop_ack);
+	return 0;
+}
+
+#if (CONFIG_DEFAULT_CONSOLE_LOGLEVEL >= BIOS_DEBUG) && !defined(__SMM__)
+static inline void print_cap(const char *name, int state)
+{
+	printk(BIOS_DEBUG, "ME Capability: %-41s : %sabled\n",
+	       name, state ? " en" : "dis");
+}
+
+static void me_print_fw_version(mbp_fw_version_name *vers_name)
+{
+	if (!vers_name->major_version) {
+		printk(BIOS_ERR, "ME: mbp missing version report\n");
+		return;
+	}
+
+	printk(BIOS_DEBUG, "ME: found version %d.%d.%d.%d\n",
+	       vers_name->major_version, vers_name->minor_version,
+	       vers_name->hotfix_version, vers_name->build_version);
+}
+
+/* Get ME Firmware Capabilities */
+static int mkhi_get_fwcaps(mefwcaps_sku *cap)
+{
+	u32 rule_id = 0;
+	struct me_fwcaps cap_msg;
+	struct mkhi_header mkhi = {
+		.group_id       = MKHI_GROUP_ID_FWCAPS,
+		.command        = MKHI_FWCAPS_GET_RULE,
+	};
+	struct mei_header mei = {
+		.is_complete    = 1,
+		.host_address   = MEI_HOST_ADDRESS,
+		.client_address = MEI_ADDRESS_MKHI,
+		.length         = sizeof(mkhi) + sizeof(rule_id),
+	};
+
+	/* Send request and wait for response */
+	if (mei_sendrecv(&mei, &mkhi, &rule_id, &cap_msg, sizeof(cap_msg))
+	    < 0) {
+		printk(BIOS_ERR, "ME: GET FWCAPS message failed\n");
+		return -1;
+        }
+	*cap = cap_msg.caps_sku;
+	return 0;
+}
+
+/* Get ME Firmware Capabilities */
+static void me_print_fwcaps(mbp_fw_caps *caps_section)
+{
+	mefwcaps_sku *cap = &caps_section->fw_capabilities;
+	if (!caps_section->available) {
+		printk(BIOS_ERR, "ME: mbp missing fwcaps report\n");
+		if (mkhi_get_fwcaps(cap))
+			return;
+	}
+
+	print_cap("Full Network manageability", cap->full_net);
+	print_cap("Regular Network manageability", cap->std_net);
+	print_cap("Manageability", cap->manageability);
+	print_cap("Small business technology", cap->small_business);
+	print_cap("Level III manageability", cap->l3manageability);
+	print_cap("IntelR Anti-Theft (AT)", cap->intel_at);
+	print_cap("IntelR Capability Licensing Service (CLS)", cap->intel_cls);
+	print_cap("IntelR Power Sharing Technology (MPC)", cap->intel_mpc);
+	print_cap("ICC Over Clocking", cap->icc_over_clocking);
+        print_cap("Protected Audio Video Path (PAVP)", cap->pavp);
+	print_cap("IPV6", cap->ipv6);
+	print_cap("KVM Remote Control (KVM)", cap->kvm);
+	print_cap("Outbreak Containment Heuristic (OCH)", cap->och);
+	print_cap("Virtual LAN (VLAN)", cap->vlan);
+	print_cap("TLS", cap->tls);
+	print_cap("Wireless LAN (WLAN)", cap->wlan);
+}
+#endif
+
+/* Tell ME to issue a global reset */
+int mkhi_global_reset(void)
+{
+	struct me_global_reset reset = {
+		.request_origin	= GLOBAL_RESET_BIOS_POST,
+		.reset_type	= CBM_RR_GLOBAL_RESET,
+	};
+	struct mkhi_header mkhi = {
+		.group_id	= MKHI_GROUP_ID_CBM,
+		.command	= MKHI_GLOBAL_RESET,
+	};
+	struct mei_header mei = {
+		.is_complete	= 1,
+		.length		= sizeof(mkhi) + sizeof(reset),
+		.host_address	= MEI_HOST_ADDRESS,
+		.client_address	= MEI_ADDRESS_MKHI,
+	};
+
+	/* Send request and wait for response */
+	printk(BIOS_NOTICE, "ME: %s\n", __FUNCTION__);
+	if (mei_sendrecv(&mei, &mkhi, &reset, NULL, 0) < 0) {
+		/* No response means reset will happen shortly... */
+		hlt();
+	}
+
+	/* If the ME responded it rejected the reset request */
+	printk(BIOS_ERR, "ME: Global Reset failed\n");
+	return -1;
+}
+
+#ifdef __SMM__
+
+void intel_me_finalize_smm(void)
+{
+	struct me_hfs hfs;
+	u32 reg32;
+
+	mei_base_address =
+		pcie_read_config32(PCH_ME_DEV, PCI_BASE_ADDRESS_0) & ~0xf;
+
+	/* S3 path will have hidden this device already */
+	if (!mei_base_address || mei_base_address == 0xfffffff0)
+		return;
+
+	/* Make sure ME is in a mode that expects EOP */
+	reg32 = pcie_read_config32(PCH_ME_DEV, PCI_ME_HFS);
+	memcpy(&hfs, &reg32, sizeof(u32));
+
+	/* Abort and leave device alone if not normal mode */
+	if (hfs.fpt_bad ||
+	    hfs.working_state != ME_HFS_CWS_NORMAL ||
+	    hfs.operation_mode != ME_HFS_MODE_NORMAL)
+		return;
+
+	/* Try to send EOP command so ME stops accepting other commands */
+	mkhi_end_of_post();
+
+	/* Make sure IO is disabled */
+	reg32 = pcie_read_config32(PCH_ME_DEV, PCI_COMMAND);
+	reg32 &= ~(PCI_COMMAND_MASTER |
+		   PCI_COMMAND_MEMORY | PCI_COMMAND_IO);
+	pcie_write_config32(PCH_ME_DEV, PCI_COMMAND, reg32);
+
+	/* Hide the PCI device */
+	RCBA32_OR(FD2, PCH_DISABLE_MEI1);
+}
+
+#else /* !__SMM__ */
+
+/* Determine the path that we should take based on ME status */
+static me_bios_path intel_me_path(device_t dev)
+{
+	me_bios_path path = ME_DISABLE_BIOS_PATH;
+	struct me_hfs hfs;
+	struct me_gmes gmes;
+
+#if CONFIG_HAVE_ACPI_RESUME
+	/* S3 wake skips all MKHI messages */
+	if (acpi_slp_type == 3) {
+		return ME_S3WAKE_BIOS_PATH;
+	}
+#endif
+
+	pci_read_dword_ptr(dev, &hfs, PCI_ME_HFS);
+	pci_read_dword_ptr(dev, &gmes, PCI_ME_GMES);
+
+	/* Check and dump status */
+	intel_me_status(&hfs, &gmes);
+
+	/* Check for valid firmware */
+	if (hfs.fpt_bad)
+		return ME_ERROR_BIOS_PATH;
+
+	/* Check Current Working State */
+	switch (hfs.working_state) {
+	case ME_HFS_CWS_NORMAL:
+		path = ME_NORMAL_BIOS_PATH;
+		/* check if the MBP is ready */
+		if (!gmes.mbp_rdy) {
+			printk(BIOS_CRIT, "%s: mbp is not ready!\n",
+			       __FUNCTION__);
+			return ME_ERROR_BIOS_PATH;
+		}
+		break;
+	case ME_HFS_CWS_REC:
+		path = ME_RECOVERY_BIOS_PATH;
+		break;
+	default:
+		path = ME_DISABLE_BIOS_PATH;
+		break;
+	}
+
+	/* Check Current Operation Mode */
+	switch (hfs.operation_mode) {
+	case ME_HFS_MODE_NORMAL:
+		break;
+	case ME_HFS_MODE_DEBUG:
+	case ME_HFS_MODE_DIS:
+	case ME_HFS_MODE_OVER_JMPR:
+	case ME_HFS_MODE_OVER_MEI:
+	default:
+		path = ME_DISABLE_BIOS_PATH;
+		break;
+	}
+
+	/* Check for any error code */
+	if (hfs.error_code)
+		path = ME_ERROR_BIOS_PATH;
+
+	return path;
+}
+
+/* Prepare ME for MEI messages */
+static int intel_mei_setup(device_t dev)
+{
+	struct resource *res;
+	struct mei_csr host;
+	u32 reg32;
+
+	/* Find the MMIO base for the ME interface */
+	res = find_resource(dev, PCI_BASE_ADDRESS_0);
+	if (!res || res->base == 0 || res->size == 0) {
+		printk(BIOS_DEBUG, "ME: MEI resource not present!\n");
+		return -1;
+	}
+	mei_base_address = res->base;
+
+	/* Ensure Memory and Bus Master bits are set */
+	reg32 = pci_read_config32(dev, PCI_COMMAND);
+	reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+	pci_write_config32(dev, PCI_COMMAND, reg32);
+
+	/* Clean up status for next message */
+	read_host_csr(&host);
+	host.interrupt_generate = 1;
+	host.ready = 1;
+	host.reset = 0;
+	write_host_csr(&host);
+
+	return 0;
+}
+
+/* Read the Extend register hash of ME firmware */
+static int intel_me_extend_valid(device_t dev)
+{
+	struct me_heres status;
+	u32 extend;
+	int i, count = 0;
+
+	pci_read_dword_ptr(dev, &status, PCI_ME_HERES);
+	if (!status.extend_feature_present) {
+		printk(BIOS_ERR, "ME: Extend Feature not present\n");
+		return -1;
+	}
+
+	if (!status.extend_reg_valid) {
+		printk(BIOS_ERR, "ME: Extend Register not valid\n");
+		return -1;
+	}
+
+	switch (status.extend_reg_algorithm) {
+	case PCI_ME_EXT_SHA1:
+		count = 5;
+		printk(BIOS_DEBUG, "ME: Extend SHA-1: ");
+		break;
+	case PCI_ME_EXT_SHA256:
+		count = 8;
+		printk(BIOS_DEBUG, "ME: Extend SHA-256: ");
+		break;
+	default:
+		printk(BIOS_ERR, "ME: Extend Algorithm %d unknown\n",
+		       status.extend_reg_algorithm);
+		return -1;
+	}
+
+	/*
+	 * TODO(dlaurie) Verify the hash against a saved good value.
+	 */
+
+	for (i = 0; i < count; ++i) {
+		extend = pci_read_config32(dev, PCI_ME_HER(i));
+		printk(BIOS_DEBUG, "%08x", extend);
+	}
+	printk(BIOS_DEBUG, "\n");
+
+	return 0;
+}
+
+/* Hide the ME virtual PCI devices */
+static void intel_me_hide(device_t dev)
+{
+	dev->enabled = 0;
+	pch_enable(dev);
+}
+
+/* Check whether ME is present and do basic init */
+static void intel_me_init(device_t dev)
+{
+	me_bios_path path = intel_me_path(dev);
+	me_bios_payload mbp_data;
+
+	/* Do initial setup and determine the BIOS path */
+	printk(BIOS_NOTICE, "ME: BIOS path: %s\n", me_bios_path_values[path]);
+
+	switch (path) {
+	case ME_S3WAKE_BIOS_PATH:
+		intel_me_hide(dev);
+		break;
+
+	case ME_NORMAL_BIOS_PATH:
+		/* Validate the extend register */
+		if (intel_me_extend_valid(dev) < 0)
+			break; /* TODO: force recovery mode */
+
+		/* Prepare MEI MMIO interface */
+		if (intel_mei_setup(dev) < 0)
+			break;
+
+		if(intel_me_read_mbp(&mbp_data))
+			break;
+
+#if CONFIG_CHROMEOS && 0 /* DISABLED */
+		/*
+		 * Unlock ME in recovery mode.
+		 */
+		if (recovery_mode_enabled()) {
+			/* Unlock ME flash region */
+			mkhi_hmrfpo_enable();
+
+			/* Issue global reset */
+			mkhi_global_reset();
+			return;
+		}
+#endif
+
+#if (CONFIG_DEFAULT_CONSOLE_LOGLEVEL >= BIOS_DEBUG)
+		me_print_fw_version(&mbp_data.fw_version_name);
+		me_print_fwcaps(&mbp_data.fw_caps_sku);
+#endif
+		/* Tell ME that BIOS is done */
+		mkhi_end_of_post();
+		/* Hide the virtual PCI device */
+		intel_me_hide(dev);
+		break;
+
+	case ME_ERROR_BIOS_PATH:
+	case ME_RECOVERY_BIOS_PATH:
+	case ME_DISABLE_BIOS_PATH:
+	case ME_FIRMWARE_UPDATE_BIOS_PATH:
+		/*
+		 * TODO(dlaurie) Force recovery mode if ME is unhappy?
+		 */
+		break;
+	}
+}
+
+static void set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	if (!vendor || !device) {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+			   pci_read_config32(dev, PCI_VENDOR_ID));
+	} else {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+			   ((device & 0xffff) << 16) | (vendor & 0xffff));
+	}
+}
+
+static struct pci_operations pci_ops = {
+	.set_subsystem = set_subsystem,
+};
+
+static struct device_operations device_ops = {
+	.read_resources		= pci_dev_read_resources,
+	.set_resources		= pci_dev_set_resources,
+	.enable_resources	= pci_dev_enable_resources,
+	.init			= intel_me_init,
+	.scan_bus		= scan_static_bus,
+	.ops_pci		= &pci_ops,
+};
+
+static const struct pci_driver intel_me __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1e3a,
+};
+
+/******************************************************************************
+ *									     */
+static u32 me_to_host_words_pending(void)
+{
+	struct mei_csr me;
+	read_me_csr(&me);
+	if (!me.ready)
+		return 0;
+	return (me.buffer_write_ptr - me.buffer_read_ptr) &
+		(me.buffer_depth - 1);
+}
+
+#if 0
+/* This function is not yet being used, keep it in for the future. */
+static u32 host_to_me_words_room(void)
+{
+	struct mei_csr csr;
+
+	read_me_csr(&csr);
+	if (!csr.ready)
+		return 0;
+
+	read_host_csr(&csr);
+	return (csr.buffer_read_ptr - csr.buffer_write_ptr - 1) &
+		(csr.buffer_depth - 1);
+}
+#endif
+/*
+ * mbp seems to be following its own flow, let's retrieve it in a dedicated
+ * function.
+ */
+static int intel_me_read_mbp(me_bios_payload *mbp_data)
+{
+	mbp_header mbp_hdr;
+	mbp_item_header	mbp_item_hdr;
+	u32 me2host_pending;
+	u32 mbp_item_id;
+	struct mei_csr host;
+
+	me2host_pending = me_to_host_words_pending();
+	if (!me2host_pending) {
+		printk(BIOS_ERR, "ME: no mbp data!\n");
+		return -1;
+	}
+
+	/* we know for sure that at least the header is there */
+	mei_read_dword_ptr(&mbp_hdr, MEI_ME_CB_RW);
+
+	if ((mbp_hdr.num_entries > (mbp_hdr.mbp_size / 2)) ||
+	    (me2host_pending < mbp_hdr.mbp_size)) {
+		printk(BIOS_ERR, "ME: mbp of %d entries, total size %d words"
+		       " buffer contains %d words\n",
+		       mbp_hdr.num_entries, mbp_hdr.mbp_size,
+		       me2host_pending);
+		return -1;
+	}
+
+	me2host_pending--;
+	memset(mbp_data, 0, sizeof(*mbp_data));
+
+	while (mbp_hdr.num_entries--) {
+		u32* copy_addr;
+		u32 copy_size, buffer_room;
+		void *p;
+
+		if (!me2host_pending) {
+			printk(BIOS_ERR, "ME: no mbp data %d entries to go!\n",
+			       mbp_hdr.num_entries + 1);
+			return -1;
+		}
+
+		mei_read_dword_ptr(&mbp_item_hdr, MEI_ME_CB_RW);
+
+		if (mbp_item_hdr.length > me2host_pending) {
+			printk(BIOS_ERR, "ME: insufficient mbp data %d "
+			       "entries to go!\n",
+			       mbp_hdr.num_entries + 1);
+			return -1;
+		}
+
+		me2host_pending -= mbp_item_hdr.length;
+
+		mbp_item_id = (((u32)mbp_item_hdr.item_id) << 8) +
+			mbp_item_hdr.app_id;
+
+		copy_size = mbp_item_hdr.length - 1;
+
+#define SET_UP_COPY(field) { copy_addr = (u32 *)&mbp_data->field;	     \
+			buffer_room = sizeof(mbp_data->field) / sizeof(u32); \
+			break;					             \
+		}
+
+		p = &mbp_item_hdr;
+		printk(BIOS_INFO, "ME: MBP item header %8.8x\n", *((u32*)p));
+
+		switch(mbp_item_id) {
+		case 0x101:
+			SET_UP_COPY(fw_version_name);
+
+		case 0x102:
+			SET_UP_COPY(icc_profile);
+
+		case 0x103:
+			SET_UP_COPY(at_state);
+
+		case 0x201:
+			mbp_data->fw_caps_sku.available = 1;
+			SET_UP_COPY(fw_caps_sku.fw_capabilities);
+
+		case 0x301:
+			SET_UP_COPY(rom_bist_data);
+
+		case 0x401:
+			SET_UP_COPY(platform_key);
+
+		case 0x501:
+			mbp_data->fw_plat_type.available = 1;
+			SET_UP_COPY(fw_plat_type.rule_data);
+
+		case 0x601:
+			SET_UP_COPY(mfsintegrity);
+
+		default:
+			printk(BIOS_ERR, "ME: unknown mbp item id 0x%x!!!\n",
+			       mbp_item_id);
+			return -1;
+		}
+
+		if (buffer_room != copy_size) {
+			printk(BIOS_ERR, "ME: buffer room %d != %d copy size"
+			       " for item  0x%x!!!\n",
+			       buffer_room, copy_size, mbp_item_id);
+			return -1;
+		}
+		while(copy_size--)
+			*copy_addr++ = read_cb();
+	}
+
+	read_host_csr(&host);
+	host.interrupt_generate = 1;
+	write_host_csr(&host);
+
+	{
+		int cntr = 0;
+		while(host.interrupt_generate) {
+			read_host_csr(&host);
+			cntr++;
+		}
+		printk(BIOS_SPEW, "ME: mbp read OK after %d cycles\n", cntr);
+	}
+
+	return 0;
+}
+
+#endif /* !__SMM__ */
diff --git a/src/southbridge/intel/bd82x6x/me_status.c b/src/southbridge/intel/bd82x6x/me_status.c
new file mode 100644
index 0000000000..b2f38d635f
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/me_status.c
@@ -0,0 +1,213 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <stdlib.h>
+#include <console/console.h>
+#include "me.h"
+
+#if (CONFIG_DEFAULT_CONSOLE_LOGLEVEL >= BIOS_DEBUG)
+/* HFS1[3:0] Current Working State Values */
+static const char *me_cws_values[] = {
+	[ME_HFS_CWS_RESET]	= "Reset",
+	[ME_HFS_CWS_INIT]	= "Initializing",
+	[ME_HFS_CWS_REC]	= "Recovery",
+	[ME_HFS_CWS_NORMAL]	= "Normal",
+	[ME_HFS_CWS_WAIT]	= "Platform Disable Wait",
+	[ME_HFS_CWS_TRANS]	= "OP State Transition",
+	[ME_HFS_CWS_INVALID]	= "Invalid CPU Plugged In"
+};
+
+/* HFS1[8:6] Current Operation State Values */
+static const char *me_opstate_values[] = {
+	[ME_HFS_STATE_PREBOOT]	= "Preboot",
+	[ME_HFS_STATE_M0_UMA]	= "M0 with UMA",
+	[ME_HFS_STATE_M3]	= "M3 without UMA",
+	[ME_HFS_STATE_M0]	= "M0 without UMA",
+	[ME_HFS_STATE_BRINGUP]	= "Bring up",
+	[ME_HFS_STATE_ERROR]	= "M0 without UMA but with error"
+};
+
+/* HFS[19:16] Current Operation Mode Values */
+static const char *me_opmode_values[] = {
+	[ME_HFS_MODE_NORMAL]	= "Normal",
+	[ME_HFS_MODE_DEBUG]	= "Debug",
+	[ME_HFS_MODE_DIS]	= "Soft Temporary Disable",
+	[ME_HFS_MODE_OVER_JMPR]	= "Security Override via Jumper",
+	[ME_HFS_MODE_OVER_MEI]	= "Security Override via MEI Message"
+};
+
+/* HFS[15:12] Error Code Values */
+static const char *me_error_values[] = {
+	[ME_HFS_ERROR_NONE]	= "No Error",
+	[ME_HFS_ERROR_UNCAT]	= "Uncategorized Failure",
+	[ME_HFS_ERROR_IMAGE]	= "Image Failure",
+	[ME_HFS_ERROR_DEBUG]	= "Debug Failure"
+};
+
+/* GMES[31:28] ME Progress Code */
+static const char *me_progress_values[] = {
+	[ME_GMES_PHASE_ROM]	= "ROM Phase",
+	[ME_GMES_PHASE_BUP]	= "BUP Phase",
+	[ME_GMES_PHASE_UKERNEL]	= "uKernel Phase",
+	[ME_GMES_PHASE_POLICY]	= "Policy Module",
+	[ME_GMES_PHASE_MODULE]	= "Module Loading",
+	[ME_GMES_PHASE_UNKNOWN]	= "Unknown",
+	[ME_GMES_PHASE_HOST]	= "Host Communication"
+};
+
+/* GMES[27:24] Power Management Event */
+static const char *me_pmevent_values[] = {
+	[0x00] = "Clean Moff->Mx wake",
+	[0x01] = "Moff->Mx wake after an error",
+	[0x02] = "Clean global reset",
+	[0x03] = "Global reset after an error",
+	[0x04] = "Clean Intel ME reset",
+	[0x05] = "Intel ME reset due to exception",
+	[0x06] = "Pseudo-global reset",
+	[0x07] = "S0/M0->Sx/M3",
+	[0x08] = "Sx/M3->S0/M0",
+	[0x09] = "Non-power cycle reset",
+	[0x0a] = "Power cycle reset through M3",
+	[0x0b] = "Power cycle reset through Moff",
+	[0x0c] = "Sx/Mx->Sx/Moff"
+};
+
+/* Progress Code 0 states */
+static const char *me_progress_rom_values[] = {
+	[0x00] = "BEGIN",
+	[0x06] = "DISABLE"
+};
+
+/* Progress Code 1 states */
+static const char *me_progress_bup_values[] = {
+	[0x00] = "Initialization starts",
+	[0x01] = "Disable the host wake event",
+	[0x04] = "Flow determination start process",
+	[0x08] = "Error reading/matching the VSCC table in the descriptor",
+	[0x0a] = "Check to see if straps say ME DISABLED",
+	[0x0b] = "Timeout waiting for PWROK",
+	[0x0d] = "Possibly handle BUP manufacturing override strap",
+	[0x11] = "Bringup in M3",
+	[0x12] = "Bringup in M0",
+	[0x13] = "Flow detection error",
+	[0x15] = "M3 clock switching error",
+	[0x18] = "M3 kernel load",
+	[0x1c] = "T34 missing - cannot program ICC",
+	[0x1f] = "Waiting for DID BIOS message",
+	[0x20] = "Waiting for DID BIOS message failure",
+	[0x21] = "DID reported an error",
+	[0x22] = "Enabling UMA",
+	[0x23] = "Enabling UMA error",
+	[0x24] = "Sending DID Ack to BIOS",
+	[0x25] = "Sending DID Ack to BIOS error",
+	[0x26] = "Switching clocks in M0",
+	[0x27] = "Switching clocks in M0 error",
+	[0x28] = "ME in temp disable",
+	[0x32] = "M0 kernel load",
+};
+
+/* Progress Code 3 states */
+static const char *me_progress_policy_values[] = {
+	[0x00] = "Entery into Policy Module",
+	[0x03] = "Received S3 entry",
+	[0x04] = "Received S4 entry",
+	[0x05] = "Received S5 entry",
+	[0x06] = "Received UPD entry",
+	[0x07] = "Received PCR entry",
+	[0x08] = "Received NPCR entry",
+	[0x09] = "Received host wake",
+	[0x0a] = "Received AC<>DC switch",
+	[0x0b] = "Received DRAM Init Done",
+	[0x0c] = "VSCC Data not found for flash device",
+	[0x0d] = "VSCC Table is not valid",
+	[0x0e] = "Flash Partition Boundary is outside address space",
+	[0x0f] = "ME cannot access the chipset descriptor region",
+	[0x10] = "Required VSCC values for flash parts do not match",
+};
+#endif
+
+void intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes)
+{
+#if (CONFIG_DEFAULT_CONSOLE_LOGLEVEL >= BIOS_DEBUG)
+	/* Check Current States */
+	printk(BIOS_DEBUG, "ME: FW Partition Table      : %s\n",
+	       hfs->fpt_bad ? "BAD" : "OK");
+	printk(BIOS_DEBUG, "ME: Bringup Loader Failure  : %s\n",
+	       hfs->ft_bup_ld_flr ? "YES" : "NO");
+	printk(BIOS_DEBUG, "ME: Firmware Init Complete  : %s\n",
+	       hfs->fw_init_complete ? "YES" : "NO");
+	printk(BIOS_DEBUG, "ME: Manufacturing Mode      : %s\n",
+	       hfs->mfg_mode ? "YES" : "NO");
+	printk(BIOS_DEBUG, "ME: Boot Options Present    : %s\n",
+	       hfs->boot_options_present ? "YES" : "NO");
+	printk(BIOS_DEBUG, "ME: Update In Progress      : %s\n",
+	       hfs->update_in_progress ? "YES" : "NO");
+	printk(BIOS_DEBUG, "ME: Current Working State   : %s\n",
+	       me_cws_values[hfs->working_state]);
+	printk(BIOS_DEBUG, "ME: Current Operation State : %s\n",
+	       me_opstate_values[hfs->operation_state]);
+	printk(BIOS_DEBUG, "ME: Current Operation Mode  : %s\n",
+	       me_opmode_values[hfs->operation_mode]);
+	printk(BIOS_DEBUG, "ME: Error Code              : %s\n",
+	       me_error_values[hfs->error_code]);
+	printk(BIOS_DEBUG, "ME: Progress Phase          : %s\n",
+	       me_progress_values[gmes->progress_code]);
+	printk(BIOS_DEBUG, "ME: Power Management Event  : %s\n",
+	       me_pmevent_values[gmes->current_pmevent]);
+
+	printk(BIOS_DEBUG, "ME: Progress Phase State    : ");
+	switch (gmes->progress_code) {
+	case ME_GMES_PHASE_ROM:		/* ROM Phase */
+		printk(BIOS_DEBUG, "%s",
+		       me_progress_rom_values[gmes->current_state]);
+		break;
+
+	case ME_GMES_PHASE_BUP:		/* Bringup Phase */
+		if (gmes->current_state < ARRAY_SIZE(me_progress_bup_values)
+		    && me_progress_bup_values[gmes->current_state])
+			printk(BIOS_DEBUG, "%s",
+			       me_progress_bup_values[gmes->current_state]);
+		else
+			printk(BIOS_DEBUG, "0x%02x", gmes->current_state);
+		break;
+
+	case ME_GMES_PHASE_POLICY:	/* Policy Module Phase */
+		if (gmes->current_state < ARRAY_SIZE(me_progress_policy_values)
+		    && me_progress_policy_values[gmes->current_state])
+			printk(BIOS_DEBUG, "%s",
+			       me_progress_policy_values[gmes->current_state]);
+		else
+			printk(BIOS_DEBUG, "0x%02x", gmes->current_state);
+		break;
+
+	case ME_GMES_PHASE_HOST:	/* Host Communication Phase */
+		if (!gmes->current_state)
+			printk(BIOS_DEBUG, "Host communication established");
+		else
+			printk(BIOS_DEBUG, "0x%02x", gmes->current_state);
+		break;
+
+	default:
+		printk(BIOS_DEBUG, "Unknown 0x%02x", gmes->current_state);
+	}
+	printk(BIOS_DEBUG, "\n");
+#endif
+}
diff --git a/src/southbridge/intel/bd82x6x/nvs.h b/src/southbridge/intel/bd82x6x/nvs.h
new file mode 100644
index 0000000000..3928804776
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/nvs.h
@@ -0,0 +1,139 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2011 Google Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "vendorcode/google/chromeos/gnvs.h"
+typedef struct {
+	/* Miscellaneous */
+	u16	osys; /* 0x00 - Operating System */
+	u8	smif; /* 0x02 - SMI function call ("TRAP") */
+	u8	prm0; /* 0x03 - SMI function call parameter */
+	u8	prm1; /* 0x04 - SMI function call parameter */
+	u8	scif; /* 0x05 - SCI function call (via _L00) */
+	u8	prm2; /* 0x06 - SCI function call parameter */
+	u8	prm3; /* 0x07 - SCI function call parameter */
+	u8	lckf; /* 0x08 - Global Lock function for EC */
+	u8	prm4; /* 0x09 - Lock function parameter */
+	u8	prm5; /* 0x0a - Lock function parameter */
+	u32	p80d; /* 0x0b - Debug port (IO 0x80) value */
+	u8	lids; /* 0x0f - LID state (open = 1) */
+	u8	pwrs; /* 0x10 - Power state (AC = 1) */
+	/* Thermal policy */
+	u8	tlvl; /* 0x11 - Throttle Level Limit */
+	u8	flvl; /* 0x12 - Current FAN Level */
+	u8	tcrt; /* 0x13 - Critical Threshold */
+	u8	tpsv; /* 0x14 - Passive Threshold */
+	u8	tmax; /* 0x15 - CPU Tj_max */
+	u8	f0of; /* 0x16 - FAN 0 OFF Threshold */
+	u8	f0on; /* 0x17 - FAN 0 ON Threshold */
+	u8	f0pw; /* 0x18 - FAN 0 PWM value */
+	u8	f1of; /* 0x19 - FAN 1 OFF Threshold */
+	u8	f1on; /* 0x1a - FAN 1 ON Threshold */
+	u8	f1pw; /* 0x1b - FAN 1 PWM value */
+	u8	f2of; /* 0x1c - FAN 2 OFF Threshold */
+	u8	f2on; /* 0x1d - FAN 2 ON Threshold */
+	u8	f2pw; /* 0x1e - FAN 2 PWM value */
+	u8	f3of; /* 0x1f - FAN 3 OFF Threshold */
+	u8	f3on; /* 0x20 - FAN 3 ON Threshold */
+	u8	f3pw; /* 0x21 - FAN 3 PWM value */
+	u8	f4of; /* 0x22 - FAN 4 OFF Threshold */
+	u8	f4on; /* 0x23 - FAN 4 ON Threshold */
+	u8	f4pw; /* 0x24 - FAN 4 PWM value */
+	u8	rsvd3[3];
+	/* Processor Identification */
+	u8	apic; /* 0x28 - APIC enabled */
+	u8	mpen; /* 0x29 - MP capable/enabled */
+	u8	pcp0; /* 0x2a - PDC CPU/CORE 0 */
+	u8	pcp1; /* 0x2b - PDC CPU/CORE 1 */
+	u8	ppcm; /* 0x2c - Max. PPC state */
+	u8      pcnt; /* 0x2d - Processor Count */
+	u8	rsvd4[4];
+	/* Super I/O & CMOS config */
+	u8	natp; /* 0x32 - SIO type */
+	u8	s5u0; /* 0x33 - Enable USB0 in S5 */
+	u8	s5u1; /* 0x34 - Enable USB1 in S5 */
+	u8	s3u0; /* 0x35 - Enable USB0 in S3 */
+	u8	s3u1; /* 0x36 - Enable USB1 in S3 */
+	u8	s33g; /* 0x37 - Enable S3 in 3G */
+	u32	cmem; /* 0x38 - CBMEM TOC */
+	/* Integrated Graphics Device */
+	u8	igds; /* 0x3c - IGD state */
+	u8	tlst; /* 0x3d - Display Toggle List Pointer */
+	u8	cadl; /* 0x3e - currently attached devices */
+	u8	padl; /* 0x3f - previously attached devices */
+	u16	cste; /* 0x40 - current display state */
+	u16	nste; /* 0x42 - next display state */
+	u16	sste; /* 0x44 - set display state */
+	u8	ndid; /* 0x46 - number of device ids */
+	u32	did[5]; /* 0x47 - 5b device id 1..5 */
+	u8	rsvd5[0x9];
+	/* Backlight Control */
+	u8	blcs; /* 0x64 - Backlight Control possible */
+	u8	brtl;
+	u8	odds;
+	u8	rsvd6[0x7];
+	/* Ambient Light Sensors*/
+	u8	alse; /* 0x6e - ALS enable */
+	u8	alaf;
+	u8	llow;
+	u8	lhih;
+	u8	rsvd7[0x6];
+	/* EMA */
+	u8	emae; /* 0x78 - EMA enable */
+	u16	emap;
+	u16	emal;
+	u8	rsvd8[0x5];
+	/* MEF */
+	u8	mefe; /* 0x82 - MEF enable */
+	u8	rsvd9[0x9];
+	/* TPM support */
+	u8	tpmp; /* 0x8c - TPM */
+	u8	tpme;
+	u8	rsvd10[8];
+	/* SATA */
+	u8	gtf0[7]; /* 0x96 - GTF task file buffer for port 0 */
+	u8	gtf1[7];
+	u8	gtf2[7];
+	u8	idem;
+	u8	idet;
+	u8	rsvd11[7];
+	/* IGD OpRegion (not implemented yet) */
+	u32	aslb; /* 0xb4 - IGD OpRegion Base Address */
+	u8	ibtt;
+	u8	ipat;
+	u8	itvf;
+	u8	itvm;
+	u8	ipsc;
+	u8	iblc;
+	u8	ibia;
+	u8	issc;
+	u8	i409;
+	u8	i509;
+	u8	i609;
+	u8	i709;
+	u8	idmm;
+	u8	idms;
+	u8	if1e;
+	u8	hvco;
+	u32	nxd[8];
+	u8	rsvd12[8];
+	/* ChromeOS specific (starts at 0xf0)*/
+	chromeos_acpi_t chromeos;
+} __attribute__((packed)) global_nvs_t;
+
diff --git a/src/southbridge/intel/bd82x6x/pch.c b/src/southbridge/intel/bd82x6x/pch.c
new file mode 100644
index 0000000000..e83c2e6478
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/pch.c
@@ -0,0 +1,234 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <delay.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include "pch.h"
+
+static int pch_revision_id = -1;
+
+int pch_silicon_revision(void)
+{
+	if (pch_revision_id < 0)
+		pch_revision_id = pci_read_config8(
+			dev_find_slot(0, PCI_DEVFN(0x1f, 0)),
+			PCI_REVISION_ID);
+	return pch_revision_id;
+}
+
+/* Set bit in Function Disble register to hide this device */
+static void pch_hide_devfn(unsigned devfn)
+{
+	switch (devfn) {
+	case PCI_DEVFN(22, 0): /* MEI #1 */
+		RCBA32_OR(FD2, PCH_DISABLE_MEI1);
+		break;
+	case PCI_DEVFN(22, 1): /* MEI #2 */
+		RCBA32_OR(FD2, PCH_DISABLE_MEI2);
+		break;
+	case PCI_DEVFN(22, 2): /* IDE-R */
+		RCBA32_OR(FD2, PCH_DISABLE_IDER);
+		break;
+	case PCI_DEVFN(22, 3): /* KT */
+		RCBA32_OR(FD2, PCH_DISABLE_KT);
+		break;
+	case PCI_DEVFN(25, 0): /* Gigabit Ethernet */
+		RCBA32_OR(BUC, PCH_DISABLE_GBE);
+		break;
+	case PCI_DEVFN(26, 0): /* EHCI #2 */
+		RCBA32_OR(FD, PCH_DISABLE_EHCI2);
+		break;
+	case PCI_DEVFN(27, 0): /* HD Audio Controller */
+		RCBA32_OR(FD, PCH_DISABLE_HD_AUDIO);
+		break;
+	case PCI_DEVFN(28, 0): /* PCI Express Root Port 1 */
+	case PCI_DEVFN(28, 1): /* PCI Express Root Port 2 */
+	case PCI_DEVFN(28, 2): /* PCI Express Root Port 3 */
+	case PCI_DEVFN(28, 3): /* PCI Express Root Port 4 */
+	case PCI_DEVFN(28, 4): /* PCI Express Root Port 5 */
+	case PCI_DEVFN(28, 5): /* PCI Express Root Port 6 */
+	case PCI_DEVFN(28, 6): /* PCI Express Root Port 7 */
+	case PCI_DEVFN(28, 7): /* PCI Express Root Port 8 */
+		RCBA32_OR(FD, PCH_DISABLE_PCIE(PCI_FUNC(devfn)));
+		break;
+	case PCI_DEVFN(29, 0): /* EHCI #1 */
+		RCBA32_OR(FD, PCH_DISABLE_EHCI1);
+		break;
+	case PCI_DEVFN(30, 0): /* PCI-to-PCI Bridge */
+		RCBA32_OR(FD, PCH_DISABLE_P2P);
+		break;
+	case PCI_DEVFN(31, 0): /* LPC */
+		RCBA32_OR(FD, PCH_DISABLE_LPC);
+		break;
+	case PCI_DEVFN(31, 2): /* SATA #1 */
+		RCBA32_OR(FD, PCH_DISABLE_SATA1);
+		break;
+	case PCI_DEVFN(31, 3): /* SMBUS */
+		RCBA32_OR(FD, PCH_DISABLE_SMBUS);
+		break;
+	case PCI_DEVFN(31, 5): /* SATA #22 */
+		RCBA32_OR(FD, PCH_DISABLE_SATA2);
+		break;
+	case PCI_DEVFN(31, 6): /* Thermal Subsystem */
+		RCBA32_OR(FD, PCH_DISABLE_THERMAL);
+		break;
+	}
+}
+
+#define IOBP_RETRY 1000
+static inline int iobp_poll(void)
+{
+	unsigned try = IOBP_RETRY;
+	u32 data;
+
+	while (try--) {
+		data = RCBA32(IOBPS);
+		if ((data & 1) == 0)
+			return 1;
+		udelay(10);
+	}
+
+	printk(BIOS_ERR, "IOBP timeout\n");
+	return 0;
+}
+
+void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue)
+{
+	u32 data;
+
+	/* Set the address */
+	RCBA32(IOBPIRI) = address;
+
+	/* READ OPCODE */
+	if (pch_silicon_revision() >= PCH_STEP_B0)
+		RCBA32(IOBPS) = IOBPS_RW_BX;
+	else
+		RCBA32(IOBPS) = IOBPS_READ_AX;
+	if (!iobp_poll())
+		return;
+
+	/* Read IOBP data */
+	data = RCBA32(IOBPD);
+	if (!iobp_poll())
+		return;
+
+	/* Check for successful transaction */
+	if ((RCBA32(IOBPS) & 0x6) != 0) {
+		printk(BIOS_ERR, "IOBP read 0x%08x failed\n", address);
+		return;
+	}
+
+	/* Update the data */
+	data &= andvalue;
+	data |= orvalue;
+
+	/* WRITE OPCODE */
+	if (pch_silicon_revision() >= PCH_STEP_B0)
+		RCBA32(IOBPS) = IOBPS_RW_BX;
+	else
+		RCBA32(IOBPS) = IOBPS_WRITE_AX;
+	if (!iobp_poll())
+		return;
+
+	/* Write IOBP data */
+	RCBA32(IOBPD) = data;
+	if (!iobp_poll())
+		return;
+}
+
+/* Check if any port in set X to X+3 is enabled */
+static int pch_pcie_check_set_enabled(device_t dev)
+{
+	device_t port;
+	int port_func;
+	int dev_func = PCI_FUNC(dev->path.pci.devfn);
+
+	printk(BIOS_DEBUG, "%s: check set enabled\n", dev_path(dev));
+
+	/* Go through static device tree list of devices
+	 * because enumeration is still in progress */
+	for (port = all_devices; port; port = port->next) {
+		/* Only care about PCIe root ports */
+		if (PCI_SLOT(port->path.pci.devfn) !=
+		    PCI_SLOT(dev->path.pci.devfn))
+			continue;
+
+		/* Check if port is in range and enabled */
+		port_func = PCI_FUNC(port->path.pci.devfn);
+		if (port_func >= dev_func &&
+		    port_func < (dev_func + 4) &&
+		    port->enabled)
+			return 1;
+	}
+
+	/* None of the ports in this set are enabled */
+	return 0;
+}
+
+void pch_enable(device_t dev)
+{
+	u32 reg32;
+
+	if (!dev->enabled) {
+		printk(BIOS_DEBUG, "%s: Disabling device\n",  dev_path(dev));
+
+		/*
+		 * PCIE Power Savings for stepping B1+:
+		 *
+		 * If PCIe 0-3 disabled set Function 0 0xE2[0] = 1
+		 * If PCIe 4-7 disabled set Function 4 0xE2[0] = 1
+		 *
+		 * This check is done here instead of pcie driver
+		 * because the pcie driver enable() handler is not
+		 * called unless the device is enabled.
+		 */
+		if (pch_silicon_revision() >= PCH_STEP_B1 &&
+		    PCI_SLOT(dev->path.pci.devfn) == PCH_PCIE_DEV_SLOT &&
+		    (PCI_FUNC(dev->path.pci.devfn) == 0 ||
+		     PCI_FUNC(dev->path.pci.devfn) == 4)) {
+			if (!pch_pcie_check_set_enabled(dev)) {
+				u8 reg8 = pci_read_config8(dev, 0xe2);
+				reg8 |= 1;
+				pci_write_config8(dev, 0xe2, reg8);
+			}
+		}
+
+		/* Ensure memory, io, and bus master are all disabled */
+		reg32 = pci_read_config32(dev, PCI_COMMAND);
+		reg32 &= ~(PCI_COMMAND_MASTER |
+			   PCI_COMMAND_MEMORY | PCI_COMMAND_IO	);
+		pci_write_config32(dev, PCI_COMMAND, reg32);
+
+		/* Hide this device if possible */
+		pch_hide_devfn(dev->path.pci.devfn);
+	} else {
+		/* Enable SERR */
+		reg32 = pci_read_config32(dev, PCI_COMMAND);
+		reg32 |= PCI_COMMAND_SERR;
+		pci_write_config32(dev, PCI_COMMAND, reg32);
+	}
+}
+
+struct chip_operations southbridge_intel_bd82x6x_ops = {
+	CHIP_NAME("Intel Series 6 (" CONFIG_PCH_CHIP_NAME ") Southbridge")
+	.enable_dev = pch_enable,
+};
diff --git a/src/southbridge/intel/bd82x6x/pch.h b/src/southbridge/intel/bd82x6x/pch.h
new file mode 100644
index 0000000000..80b09e2592
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/pch.h
@@ -0,0 +1,514 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2011 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef SOUTHBRIDGE_INTEL_BD82X6X_PCH_H
+#define SOUTHBRIDGE_INTEL_BD82X6X_PCH_H
+
+/* PCH stepping values for LPC device */
+#define PCH_STEP_A0	0
+#define PCH_STEP_A1	1
+#define PCH_STEP_B0	2
+#define PCH_STEP_B1	3
+#define PCH_STEP_B2	4
+#define PCH_STEP_B3	5
+
+/*
+ * It does not matter where we put the SMBus I/O base, as long as we
+ * keep it consistent and don't interfere with other devices.  Stage2
+ * will relocate this anyways.
+ * Our solution is to have SMB initialization move the I/O to SMBUS_IO_BASE
+ * again. But handling static BARs is a generic problem that should be
+ * solved in the device allocator.
+ */
+#define SMBUS_IO_BASE		0x0400
+#define SMBUS_SLAVE_ADDR	0x24
+/* TODO Make sure these don't get changed by stage2 */
+#define DEFAULT_GPIOBASE	0x0480
+#define DEFAULT_PMBASE		0x0500
+
+#define HPET_ADDR		0xfed00000
+#define DEFAULT_RCBA		0xfed1c000
+
+#ifndef __ACPI__
+#define DEBUG_PERIODIC_SMIS 0
+
+#if defined (__SMM__) && !defined(__ASSEMBLER__)
+void intel_pch_finalize_smm(void);
+#endif
+
+#if !defined(__ASSEMBLER__) && !defined(__ROMCC__)
+#if !defined(__PRE_RAM__) && !defined(__SMM__)
+#include "chip.h"
+int pch_silicon_revision(void);
+void pch_enable(device_t dev);
+void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue);
+#else
+void enable_smbus(void);
+void enable_usb_bar(void);
+int smbus_read_byte(unsigned device, unsigned address);
+#endif
+#endif
+
+#define MAINBOARD_POWER_OFF	0
+#define MAINBOARD_POWER_ON	1
+#define MAINBOARD_POWER_KEEP	2
+
+#ifndef CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL
+#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
+#endif
+
+/* PCI Configuration Space (D30:F0): PCI2PCI */
+#define PSTS	0x06
+#define SMLT	0x1b
+#define SECSTS	0x1e
+#define INTR	0x3c
+#define BCTRL	0x3e
+#define   SBR	(1 << 6)
+#define   SEE	(1 << 1)
+#define   PERE	(1 << 0)
+
+#define PCH_EHCI1_DEV		PCI_DEV(0, 0x1d, 0)
+#define PCH_EHCI2_DEV		PCI_DEV(0, 0x1a, 0)
+#define PCH_ME_DEV		PCI_DEV(0, 0x16, 0)
+#define PCH_PCIE_DEV_SLOT	28
+
+/* PCI Configuration Space (D31:F0): LPC */
+#define PCH_LPC_DEV		PCI_DEV(0, 0x1f, 0)
+#define SERIRQ_CNTL		0x64
+
+#define GEN_PMCON_1		0xa0
+#define GEN_PMCON_2		0xa2
+#define GEN_PMCON_3		0xa4
+#define ETR3			0xac
+#define  ETR3_CWORWRE		(1 << 18)
+#define  ETR3_CF9GR		(1 << 20)
+
+/* GEN_PMCON_3 bits */
+#define RTC_BATTERY_DEAD	(1 << 2)
+#define RTC_POWER_FAILED	(1 << 1)
+#define SLEEP_AFTER_POWER_FAIL	(1 << 0)
+
+#define PMBASE			0x40
+#define ACPI_CNTL		0x44
+#define BIOS_CNTL		0xDC
+#define GPIO_BASE		0x48 /* LPC GPIO Base Address Register */
+#define GPIO_CNTL		0x4C /* LPC GPIO Control Register */
+#define GPIO_ROUT		0xb8
+
+#define PIRQA_ROUT		0x60
+#define PIRQB_ROUT		0x61
+#define PIRQC_ROUT		0x62
+#define PIRQD_ROUT		0x63
+#define PIRQE_ROUT		0x68
+#define PIRQF_ROUT		0x69
+#define PIRQG_ROUT		0x6A
+#define PIRQH_ROUT		0x6B
+
+#define LPC_IO_DEC		0x80 /* IO Decode Ranges Register */
+#define LPC_EN			0x82 /* LPC IF Enables Register */
+#define  CNF2_LPC_EN		(1 << 13) /* 0x4e/0x4f */
+#define  CNF1_LPC_EN		(1 << 12) /* 0x2e/0x2f */
+#define  MC_LPC_EN		(1 << 11) /* 0x62/0x66 */
+#define  KBC_LPC_EN		(1 << 10) /* 0x60/0x64 */
+#define  GAMEH_LPC_EN		(1 << 9)  /* 0x208/0x20f */
+#define  GAMEL_LPC_EN		(1 << 8)  /* 0x200/0x207 */
+#define  FDD_LPC_EN		(1 << 3)  /* LPC_IO_DEC[12] */
+#define  LPT_LPC_EN		(1 << 2)  /* LPC_IO_DEC[9:8] */
+#define  COMB_LPC_EN		(1 << 1)  /* LPC_IO_DEC[6:4] */
+#define  COMA_LPC_EN		(1 << 0)  /* LPC_IO_DEC[3:2] */
+#define LPC_GEN1_DEC		0x84 /* LPC IF Generic Decode Range 1 */
+#define LPC_GEN2_DEC		0x88 /* LPC IF Generic Decode Range 2 */
+#define LPC_GEN3_DEC		0x8c /* LPC IF Generic Decode Range 3 */
+#define LPC_GEN4_DEC		0x90 /* LPC IF Generic Decode Range 4 */
+
+/* PCI Configuration Space (D31:F1): IDE */
+#define PCH_IDE_DEV		PCI_DEV(0, 0x1f, 1)
+#define PCH_SATA_DEV		PCI_DEV(0, 0x1f, 2)
+#define PCH_SATA2_DEV		PCI_DEV(0, 0x1f, 5)
+#define INTR_LN			0x3c
+#define IDE_TIM_PRI		0x40	/* IDE timings, primary */
+#define   IDE_DECODE_ENABLE	(1 << 15)
+#define   IDE_SITRE		(1 << 14)
+#define   IDE_ISP_5_CLOCKS	(0 << 12)
+#define   IDE_ISP_4_CLOCKS	(1 << 12)
+#define   IDE_ISP_3_CLOCKS	(2 << 12)
+#define   IDE_RCT_4_CLOCKS	(0 <<  8)
+#define   IDE_RCT_3_CLOCKS	(1 <<  8)
+#define   IDE_RCT_2_CLOCKS	(2 <<  8)
+#define   IDE_RCT_1_CLOCKS	(3 <<  8)
+#define   IDE_DTE1		(1 <<  7)
+#define   IDE_PPE1		(1 <<  6)
+#define   IDE_IE1		(1 <<  5)
+#define   IDE_TIME1		(1 <<  4)
+#define   IDE_DTE0		(1 <<  3)
+#define   IDE_PPE0		(1 <<  2)
+#define   IDE_IE0		(1 <<  1)
+#define   IDE_TIME0		(1 <<  0)
+#define IDE_TIM_SEC		0x42	/* IDE timings, secondary */
+
+#define IDE_SDMA_CNT		0x48	/* Synchronous DMA control */
+#define   IDE_SSDE1		(1 <<  3)
+#define   IDE_SSDE0		(1 <<  2)
+#define   IDE_PSDE1		(1 <<  1)
+#define   IDE_PSDE0		(1 <<  0)
+
+#define IDE_SDMA_TIM		0x4a
+
+#define IDE_CONFIG		0x54	/* IDE I/O Configuration Register */
+#define   SIG_MODE_SEC_NORMAL	(0 << 18)
+#define   SIG_MODE_SEC_TRISTATE	(1 << 18)
+#define   SIG_MODE_SEC_DRIVELOW	(2 << 18)
+#define   SIG_MODE_PRI_NORMAL	(0 << 16)
+#define   SIG_MODE_PRI_TRISTATE	(1 << 16)
+#define   SIG_MODE_PRI_DRIVELOW	(2 << 16)
+#define   FAST_SCB1		(1 << 15)
+#define   FAST_SCB0		(1 << 14)
+#define   FAST_PCB1		(1 << 13)
+#define   FAST_PCB0		(1 << 12)
+#define   SCB1			(1 <<  3)
+#define   SCB0			(1 <<  2)
+#define   PCB1			(1 <<  1)
+#define   PCB0			(1 <<  0)
+
+#define SATA_SP			0xd0 /* Scratchpad */
+
+/* PCI Configuration Space (D31:F3): SMBus */
+#define PCH_SMBUS_DEV		PCI_DEV(0, 0x1f, 3)
+#define SMB_BASE		0x20
+#define HOSTC			0x40
+#define SMB_RCV_SLVA		0x09
+
+/* HOSTC bits */
+#define I2C_EN			(1 << 2)
+#define SMB_SMI_EN		(1 << 1)
+#define HST_EN			(1 << 0)
+
+/* SMBus I/O bits. */
+#define SMBHSTSTAT		0x0
+#define SMBHSTCTL		0x2
+#define SMBHSTCMD		0x3
+#define SMBXMITADD		0x4
+#define SMBHSTDAT0		0x5
+#define SMBHSTDAT1		0x6
+#define SMBBLKDAT		0x7
+#define SMBTRNSADD		0x9
+#define SMBSLVDATA		0xa
+#define SMLINK_PIN_CTL		0xe
+#define SMBUS_PIN_CTL		0xf
+
+#define SMBUS_TIMEOUT		(10 * 1000 * 100)
+
+
+/* Southbridge IO BARs */
+
+#define GPIOBASE		0x48
+
+#define PMBASE		0x40
+
+/* Root Complex Register Block */
+#define RCBA		0xf0
+
+#define RCBA8(x) *((volatile u8 *)(DEFAULT_RCBA + x))
+#define RCBA16(x) *((volatile u16 *)(DEFAULT_RCBA + x))
+#define RCBA32(x) *((volatile u32 *)(DEFAULT_RCBA + x))
+
+#define RCBA_AND_OR(bits, x, and, or) \
+        RCBA##bits(x) = ((RCBA##bits(x) & (and)) | (or))
+#define RCBA8_AND_OR(x, and, or)  RCBA_AND_OR(8, x, and, or)
+#define RCBA16_AND_OR(x, and, or) RCBA_AND_OR(16, x, and, or)
+#define RCBA32_AND_OR(x, and, or) RCBA_AND_OR(32, x, and, or)
+#define RCBA32_OR(x, or) RCBA_AND_OR(32, x, ~0UL, or)
+
+#define VCH		0x0000	/* 32bit */
+#define VCAP1		0x0004	/* 32bit */
+#define VCAP2		0x0008	/* 32bit */
+#define PVC		0x000c	/* 16bit */
+#define PVS		0x000e	/* 16bit */
+
+#define V0CAP		0x0010	/* 32bit */
+#define V0CTL		0x0014	/* 32bit */
+#define V0STS		0x001a	/* 16bit */
+
+#define V1CAP		0x001c	/* 32bit */
+#define V1CTL		0x0020	/* 32bit */
+#define V1STS		0x0026	/* 16bit */
+
+#define RCTCL		0x0100	/* 32bit */
+#define ESD		0x0104	/* 32bit */
+#define ULD		0x0110	/* 32bit */
+#define ULBA		0x0118	/* 64bit */
+
+#define RP1D		0x0120	/* 32bit */
+#define RP1BA		0x0128	/* 64bit */
+#define RP2D		0x0130	/* 32bit */
+#define RP2BA		0x0138	/* 64bit */
+#define RP3D		0x0140	/* 32bit */
+#define RP3BA		0x0148	/* 64bit */
+#define RP4D		0x0150	/* 32bit */
+#define RP4BA		0x0158	/* 64bit */
+#define HDD		0x0160	/* 32bit */
+#define HDBA		0x0168	/* 64bit */
+#define RP5D		0x0170	/* 32bit */
+#define RP5BA		0x0178	/* 64bit */
+#define RP6D		0x0180	/* 32bit */
+#define RP6BA		0x0188	/* 64bit */
+
+#define RPC		0x0224	/* 32bit */
+#define RPFN		0x0238	/* 32bit */
+
+#define TRSR		0x1e00	/*  8bit */
+#define TRCR		0x1e10	/* 64bit */
+#define TWDR		0x1e18	/* 64bit */
+
+#define IOTR0		0x1e80	/* 64bit */
+#define IOTR1		0x1e88	/* 64bit */
+#define IOTR2		0x1e90	/* 64bit */
+#define IOTR3		0x1e98	/* 64bit */
+
+#define TCTL		0x3000	/*  8bit */
+
+#define NOINT		0
+#define INTA		1
+#define INTB		2
+#define INTC		3
+#define INTD		4
+
+#define DIR_IDR		12	/* Interrupt D Pin Offset */
+#define DIR_ICR		8	/* Interrupt C Pin Offset */
+#define DIR_IBR		4	/* Interrupt B Pin Offset */
+#define DIR_IAR		0	/* Interrupt A Pin Offset */
+
+#define PIRQA		0
+#define PIRQB		1
+#define PIRQC		2
+#define PIRQD		3
+#define PIRQE		4
+#define PIRQF		5
+#define PIRQG		6
+#define PIRQH		7
+
+/* IO Buffer Programming */
+#define IOBPIRI		0x2330
+#define IOBPD		0x2334
+#define IOBPS		0x2338
+#define  IOBPS_RW_BX    ((1 << 9)|(1 << 10))
+#define  IOBPS_WRITE_AX	((1 << 9)|(1 << 10))
+#define  IOBPS_READ_AX	((1 << 8)|(1 << 9)|(1 << 10))
+
+#define D31IP		0x3100	/* 32bit */
+#define D31IP_TTIP	24	/* Thermal Throttle Pin */
+#define D31IP_SIP2	20	/* SATA Pin 2 */
+#define D31IP_SMIP	12	/* SMBUS Pin */
+#define D31IP_SIP	8	/* SATA Pin */
+#define D30IP		0x3104	/* 32bit */
+#define D30IP_PIP	0	/* PCI Bridge Pin */
+#define D29IP		0x3108	/* 32bit */
+#define D29IP_E1P	0	/* EHCI #1 Pin */
+#define D28IP		0x310c	/* 32bit */
+#define D28IP_P8IP	28	/* PCI Express Port 8 */
+#define D28IP_P7IP	24	/* PCI Express Port 7 */
+#define D28IP_P6IP	20	/* PCI Express Port 6 */
+#define D28IP_P5IP	16	/* PCI Express Port 5 */
+#define D28IP_P4IP	12	/* PCI Express Port 4 */
+#define D28IP_P3IP	8	/* PCI Express Port 3 */
+#define D28IP_P2IP	4	/* PCI Express Port 2 */
+#define D28IP_P1IP	0	/* PCI Express Port 1 */
+#define D27IP		0x3110	/* 32bit */
+#define D27IP_ZIP	0	/* HD Audio Pin */
+#define D26IP		0x3114	/* 32bit */
+#define D26IP_E2P	0	/* EHCI #2 Pin */
+#define D25IP		0x3118	/* 32bit */
+#define D25IP_LIP	0	/* GbE LAN Pin */
+#define D22IP		0x3124	/* 32bit */
+#define D22IP_KTIP	12	/* KT Pin */
+#define D22IP_IDERIP	8	/* IDE-R Pin */
+#define D22IP_MEI2IP	4	/* MEI #2 Pin */
+#define D22IP_MEI1IP	0	/* MEI #1 Pin */
+#define D31IR		0x3140	/* 16bit */
+#define D30IR		0x3142	/* 16bit */
+#define D29IR		0x3144	/* 16bit */
+#define D28IR		0x3146	/* 16bit */
+#define D27IR		0x3148	/* 16bit */
+#define D26IR		0x314c	/* 16bit */
+#define D25IR		0x3150	/* 16bit */
+#define D22IR		0x315c	/* 16bit */
+#define OIC		0x31fe	/* 16bit */
+
+#define DIR_ROUTE(x,a,b,c,d) \
+  RCBA32(x) = (((d) << DIR_IDR) | ((c) << DIR_ICR) | \
+               ((b) << DIR_IBR) | ((a) << DIR_IAR))
+
+#define RC		0x3400	/* 32bit */
+#define HPTC		0x3404	/* 32bit */
+#define GCS		0x3410	/* 32bit */
+#define BUC		0x3414	/* 32bit */
+#define PCH_DISABLE_GBE		(1 << 5)
+#define FD		0x3418	/* 32bit */
+#define DISPBDF		0x3424  /* 16bit */
+#define FD2		0x3428	/* 32bit */
+#define CG		0x341c	/* 32bit */
+
+/* Function Disable 1 RCBA 0x3418 */
+#define PCH_DISABLE_ALWAYS	((1 << 0)|(1 << 26)|(1 << 27))
+#define PCH_DISABLE_P2P		(1 << 1)
+#define PCH_DISABLE_SATA1	(1 << 2)
+#define PCH_DISABLE_SMBUS	(1 << 3)
+#define PCH_DISABLE_HD_AUDIO	(1 << 4)
+#define PCH_DISABLE_EHCI2	(1 << 13)
+#define PCH_DISABLE_LPC		(1 << 14)
+#define PCH_DISABLE_EHCI1	(1 << 15)
+#define PCH_DISABLE_PCIE(x)	(1 << (16 + x))
+#define PCH_DISABLE_THERMAL	(1 << 24)
+#define PCH_DISABLE_SATA2	(1 << 25)
+
+/* Function Disable 2 RCBA 0x3428 */
+#define PCH_DISABLE_KT		(1 << 4)
+#define PCH_DISABLE_IDER	(1 << 3)
+#define PCH_DISABLE_MEI2	(1 << 2)
+#define PCH_DISABLE_MEI1	(1 << 1)
+#define PCH_ENABLE_DBDF		(1 << 0)
+
+/* ICH7 GPIOBASE */
+#define GPIO_USE_SEL	0x00
+#define GP_IO_SEL	0x04
+#define GP_LVL		0x0c
+#define GPO_BLINK	0x18
+#define GPI_INV		0x2c
+#define GPIO_USE_SEL2	0x30
+#define GP_IO_SEL2	0x34
+#define GP_LVL2		0x38
+#define GPIO_USE_SEL3	0x40
+#define GP_IO_SEL3	0x44
+#define GP_LVL3		0x48
+#define GP_RST_SEL1	0x60
+#define GP_RST_SEL2	0x64
+#define GP_RST_SEL3	0x68
+
+/* ICH7 PMBASE */
+#define PM1_STS		0x00
+#define   WAK_STS	(1 << 15)
+#define   PCIEXPWAK_STS	(1 << 14)
+#define   PRBTNOR_STS	(1 << 11)
+#define   RTC_STS	(1 << 10)
+#define   PWRBTN_STS	(1 << 8)
+#define   GBL_STS	(1 << 5)
+#define   BM_STS	(1 << 4)
+#define   TMROF_STS	(1 << 0)
+#define PM1_EN		0x02
+#define   PCIEXPWAK_DIS	(1 << 14)
+#define   RTC_EN	(1 << 10)
+#define   PWRBTN_EN	(1 << 8)
+#define   GBL_EN	(1 << 5)
+#define   TMROF_EN	(1 << 0)
+#define PM1_CNT		0x04
+#define   SLP_EN	(1 << 13)
+#define   SLP_TYP	(7 << 10)
+#define    SLP_TYP_S0	0
+#define    SLP_TYP_S1	1
+#define    SLP_TYP_S3	5
+#define    SLP_TYP_S4	6
+#define    SLP_TYP_S5	7
+#define   GBL_RLS	(1 << 2)
+#define   BM_RLD	(1 << 1)
+#define   SCI_EN	(1 << 0)
+#define PM1_TMR		0x08
+#define PROC_CNT	0x10
+#define LV2		0x14
+#define LV3		0x15
+#define LV4		0x16
+#define PM2_CNT		0x50 // mobile only
+#define GPE0_STS	0x20
+#define   PME_B0_STS	(1 << 13)
+#define   PME_STS	(1 << 11)
+#define   BATLOW_STS	(1 << 10)
+#define   PCI_EXP_STS	(1 << 9)
+#define   RI_STS	(1 << 8)
+#define   SMB_WAK_STS	(1 << 7)
+#define   TCOSCI_STS	(1 << 6)
+#define   SWGPE_STS	(1 << 2)
+#define   HOT_PLUG_STS	(1 << 1)
+#define GPE0_EN		0x28
+#define   PME_B0_EN	(1 << 13)
+#define   PME_EN	(1 << 11)
+#define SMI_EN		0x30
+#define   INTEL_USB2_EN	 (1 << 18) // Intel-Specific USB2 SMI logic
+#define   LEGACY_USB2_EN (1 << 17) // Legacy USB2 SMI logic
+#define   PERIODIC_EN	 (1 << 14) // SMI on PERIODIC_STS in SMI_STS
+#define   TCO_EN	 (1 << 13) // Enable TCO Logic (BIOSWE et al)
+#define   MCSMI_EN	 (1 << 11) // Trap microcontroller range access
+#define   BIOS_RLS	 (1 <<  7) // asserts SCI on bit set
+#define   SWSMI_TMR_EN	 (1 <<  6) // start software smi timer on bit set
+#define   APMC_EN	 (1 <<  5) // Writes to APM_CNT cause SMI#
+#define   SLP_SMI_EN	 (1 <<  4) // Write to SLP_EN in PM1_CNT asserts SMI#
+#define   LEGACY_USB_EN  (1 <<  3) // Legacy USB circuit SMI logic
+#define   BIOS_EN	 (1 <<  2) // Assert SMI# on setting GBL_RLS bit
+#define   EOS		 (1 <<  1) // End of SMI (deassert SMI#)
+#define   GBL_SMI_EN	 (1 <<  0) // SMI# generation at all?
+#define SMI_STS		0x34
+#define ALT_GP_SMI_EN	0x38
+#define ALT_GP_SMI_STS	0x3a
+#define GPE_CNTL	0x42
+#define DEVACT_STS	0x44
+#define SS_CNT		0x50
+#define C3_RES		0x54
+
+/*
+ * SPI Opcode Menu setup for SPIBAR lockdown
+ * should support most common flash chips.
+ */
+
+#define SPI_OPMENU_0 0x01 /* WRSR: Write Status Register */
+#define SPI_OPTYPE_0 0x01 /* Write, no address */
+
+#define SPI_OPMENU_1 0x02 /* BYPR: Byte Program */
+#define SPI_OPTYPE_1 0x03 /* Write, address required */
+
+#define SPI_OPMENU_2 0x03 /* READ: Read Data */
+#define SPI_OPTYPE_2 0x02 /* Read, address required */
+
+#define SPI_OPMENU_3 0x05 /* RDSR: Read Status Register */
+#define SPI_OPTYPE_3 0x00 /* Read, no address */
+
+#define SPI_OPMENU_4 0x20 /* SE20: Sector Erase 0x20 */
+#define SPI_OPTYPE_4 0x03 /* Write, address required */
+
+#define SPI_OPMENU_5 0x9f /* RDID: Read ID */
+#define SPI_OPTYPE_5 0x00 /* Read, no address */
+
+#define SPI_OPMENU_6 0xd8 /* BED8: Block Erase 0xd8 */
+#define SPI_OPTYPE_6 0x03 /* Write, address required */
+
+#define SPI_OPMENU_7 0x52 /* BE52: Block Erase 0x52 */
+#define SPI_OPTYPE_7 0x03 /* Write, address required */
+
+#define SPI_OPMENU_UPPER ((SPI_OPMENU_7 << 24) | (SPI_OPMENU_6 << 16) | \
+			  (SPI_OPMENU_5 << 8) | SPI_OPMENU_4)
+#define SPI_OPMENU_LOWER ((SPI_OPMENU_3 << 24) | (SPI_OPMENU_2 << 16) | \
+			  (SPI_OPMENU_1 << 8) | SPI_OPMENU_0)
+
+#define SPI_OPTYPE ((SPI_OPTYPE_7 << 14) | (SPI_OPTYPE_6 << 12) | \
+		    (SPI_OPTYPE_5 << 10) | (SPI_OPTYPE_4 << 8) |  \
+		    (SPI_OPTYPE_3 << 6) | (SPI_OPTYPE_2 << 4) |	  \
+		    (SPI_OPTYPE_1 << 2) | (SPI_OPTYPE_0))
+
+#define SPI_OPPREFIX ((0x50 << 8) | 0x06) /* EWSR and WREN */
+
+#endif /* __ACPI__ */
+#endif				/* SOUTHBRIDGE_INTEL_BD82X6X_PCH_H */
diff --git a/src/southbridge/intel/bd82x6x/pci.c b/src/southbridge/intel/bd82x6x/pci.c
new file mode 100644
index 0000000000..845a6fe5ad
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/pci.c
@@ -0,0 +1,145 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include "pch.h"
+
+static void pci_init(struct device *dev)
+{
+	u16 reg16;
+	u8 reg8;
+
+	printk(BIOS_DEBUG, "PCI init.\n");
+	/* Enable Bus Master */
+	reg16 = pci_read_config16(dev, PCI_COMMAND);
+	reg16 |= PCI_COMMAND_MASTER;
+	pci_write_config16(dev, PCI_COMMAND, reg16);
+
+	/* This device has no interrupt */
+	pci_write_config8(dev, INTR, 0xff);
+
+	/* disable parity error response and SERR */
+	reg16 = pci_read_config16(dev, BCTRL);
+	reg16 &= ~(1 << 0);
+	reg16 &= ~(1 << 1);
+	pci_write_config16(dev, BCTRL, reg16);
+
+	/* Master Latency Count must be set to 0x04! */
+	reg8 = pci_read_config8(dev, SMLT);
+	reg8 &= 0x07;
+	reg8 |= (0x04 << 3);
+	pci_write_config8(dev, SMLT, reg8);
+
+	/* Will this improve throughput of bus masters? */
+	pci_write_config8(dev, PCI_MIN_GNT, 0x06);
+
+	/* Clear errors in status registers */
+	reg16 = pci_read_config16(dev, PSTS);
+	//reg16 |= 0xf900;
+	pci_write_config16(dev, PSTS, reg16);
+
+	reg16 = pci_read_config16(dev, SECSTS);
+	// reg16 |= 0xf900;
+	pci_write_config16(dev, SECSTS, reg16);
+}
+
+#undef PCI_BRIDGE_UPDATE_COMMAND
+static void ich_pci_dev_enable_resources(struct device *dev)
+{
+	const struct pci_operations *ops;
+	uint16_t command;
+
+	/* Set the subsystem vendor and device id for mainboard devices */
+	ops = ops_pci(dev);
+	if (dev->on_mainboard && ops && ops->set_subsystem) {
+		printk(BIOS_DEBUG, "%s subsystem <- %02x/%02x\n",
+			dev_path(dev),
+			CONFIG_MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID,
+			CONFIG_MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID);
+		ops->set_subsystem(dev,
+			CONFIG_MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID,
+			CONFIG_MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID);
+	}
+
+	command = pci_read_config16(dev, PCI_COMMAND);
+	command |= dev->command;
+#ifdef PCI_BRIDGE_UPDATE_COMMAND
+	/* If we write to PCI_COMMAND, on some systems
+	 * this will cause the ROM and APICs not being visible
+	 * anymore.
+	 */
+	printk(BIOS_DEBUG, "%s cmd <- %02x\n", dev_path(dev), command);
+	pci_write_config16(dev, PCI_COMMAND, command);
+#else
+	printk(BIOS_DEBUG, "%s cmd <- %02x (NOT WRITTEN!)\n", dev_path(dev), command);
+#endif
+}
+
+static void ich_pci_bus_enable_resources(struct device *dev)
+{
+	uint16_t ctrl;
+	/* enable IO in command register if there is VGA card
+	 * connected with (even it does not claim IO resource)
+	 */
+	if (dev->link_list->bridge_ctrl & PCI_BRIDGE_CTL_VGA)
+		dev->command |= PCI_COMMAND_IO;
+	ctrl = pci_read_config16(dev, PCI_BRIDGE_CONTROL);
+	ctrl |= dev->link_list->bridge_ctrl;
+	ctrl |= (PCI_BRIDGE_CTL_PARITY + PCI_BRIDGE_CTL_SERR); /* error check */
+	printk(BIOS_DEBUG, "%s bridge ctrl <- %04x\n", dev_path(dev), ctrl);
+	pci_write_config16(dev, PCI_BRIDGE_CONTROL, ctrl);
+
+	/* This is the reason we need our own pci_bus_enable_resources */
+	ich_pci_dev_enable_resources(dev);
+}
+
+static void set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	/* NOTE: This is not the default position! */
+	if (!vendor || !device) {
+		pci_write_config32(dev, 0x54,
+				pci_read_config32(dev, PCI_VENDOR_ID));
+	} else {
+		pci_write_config32(dev, 0x54,
+				((device & 0xffff) << 16) | (vendor & 0xffff));
+	}
+}
+
+static struct pci_operations pci_ops = {
+	.set_subsystem = set_subsystem,
+};
+
+static struct device_operations device_ops = {
+	.read_resources		= pci_bus_read_resources,
+	.set_resources		= pci_dev_set_resources,
+	.enable_resources	= ich_pci_bus_enable_resources,
+	.init			= pci_init,
+	.scan_bus		= pci_scan_bridge,
+	.ops_pci		= &pci_ops,
+};
+
+static const struct pci_driver pch_pci __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x2448,
+};
diff --git a/src/southbridge/intel/bd82x6x/pcie.c b/src/southbridge/intel/bd82x6x/pcie.c
new file mode 100644
index 0000000000..599692d046
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/pcie.c
@@ -0,0 +1,306 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pciexp.h>
+#include <device/pci_ids.h>
+#include "pch.h"
+
+static u16 pcie_port_link_width(int port)
+{
+	u16 link_width;
+
+	link_width = pci_read_config16(
+		dev_find_slot(0, PCI_DEVFN(0x1c, port)), 0x52);
+	link_width >>= 4;
+	link_width &= 0x3f;
+	return link_width;
+}
+
+static void pch_pcie_pm_early(struct device *dev)
+{
+	u16 link_width_p0, link_width_p4;
+	u8 slot_power_limit = 10; /* 10W for x1 */
+	u32 reg32;
+	u8 reg8;
+
+	link_width_p0 = pcie_port_link_width(0);
+	link_width_p4 = pcie_port_link_width(4);
+
+	/* Enable dynamic clock gating where needed */
+	reg8 = pci_read_config8(dev, 0xe1);
+	switch (PCI_FUNC(dev->path.pci.devfn)) {
+	case 0: /* Port 0 */
+		if (link_width_p0 == 4)
+			slot_power_limit = 40; /* 40W for x4 */
+		else if (link_width_p0 == 2)
+			slot_power_limit = 20; /* 20W for x2 */
+	case 4: /* Port 4 */
+		if (link_width_p4 == 4)
+			slot_power_limit = 40; /* 40W for x4 */
+		else if (link_width_p4 == 2)
+			slot_power_limit = 20; /* 20W for x2 */
+		reg8 |= 0x3f;
+		break;
+	case 1: /* Port 1 only if Port 0 is x1 */
+		if (link_width_p0 == 1)
+			reg8 |= 0x3;
+		break;
+	case 2: /* Port 2 only if Port 0 is x1 or x2 */
+	case 3: /* Port 3 only if Port 0 is x1 or x2 */
+		if (link_width_p0 <= 2)
+			reg8 |= 0x3;
+		break;
+	case 5: /* Port 5 only if Port 4 is x1 */
+		if (link_width_p4 == 1)
+			reg8 |= 0x3;
+		break;
+	case 6: /* Port 7 only if Port 4 is x1 or x2 */
+	case 7: /* Port 7 only if Port 4 is x1 or x2 */
+		if (link_width_p4 <= 2)
+			reg8 |= 0x3;
+		break;
+	}
+	pci_write_config8(dev, 0xe1, reg8);
+
+	/* Set 0xE8[0] = 1 */
+	reg32 = pci_read_config32(dev, 0xe8);
+	reg32 |= 1;
+	pci_write_config32(dev, 0xe8, reg32);
+
+	/* Adjust Common Clock exit latency */
+	reg32 = pci_read_config32(dev, 0xd8);
+	reg32 &= ~(1 << 17);
+	reg32 |= (1 << 16) | (1 << 15);
+	reg32 &= ~(1 << 31); /* Disable PME# SCI for native PME handling */
+	pci_write_config32(dev, 0xd8, reg32);
+
+	/* Adjust ASPM L1 exit latency */
+	reg32 = pci_read_config32(dev, 0x4c);
+	reg32 &= ~((1 << 17) | (1 << 16) | (1 << 15));
+	if (RCBA32(0x2320) & (1 << 16)) {
+		/* If RCBA+2320[15]=1 set ASPM L1 to 8-16us */
+		reg32 |= (1 << 17);
+	} else {
+		/* Else set ASPM L1 to 2-4us */
+		reg32 |= (1 << 16);
+	}
+	pci_write_config32(dev, 0x4c, reg32);
+
+	/* Set slot power limit as configured above */
+	reg32 = pci_read_config32(dev, 0x54);
+	reg32 &= ~((1 << 15) | (1 << 16)); /* 16:15 = Slot power scale */
+	reg32 &= ~(0xff << 7);             /* 14:7  = Slot power limit */
+	reg32 |= (slot_power_limit << 7);
+	pci_write_config32(dev, 0x54, reg32);
+}
+
+static void pch_pcie_pm_late(struct device *dev)
+{
+	enum aspm_type apmc;
+	u32 reg32;
+
+	/* Set 0x314 = 0x743a361b */
+	pci_mmio_write_config32(dev, 0x314, 0x743a361b);
+
+	/* Set 0x318[31:16] = 0x1414 */
+	reg32 = pci_mmio_read_config32(dev, 0x318);
+	reg32 &= 0x0000ffff;
+	reg32 |= 0x14140000;
+	pci_mmio_write_config32(dev, 0x318, reg32);
+
+	/* Set 0x324[5] = 1 */
+	reg32 = pci_mmio_read_config32(dev, 0x324);
+	reg32 |= (1 << 5);
+	pci_mmio_write_config32(dev, 0x324, reg32);
+
+	/* Set 0x330[7:0] = 0x40 */
+	reg32 = pci_mmio_read_config32(dev, 0x330);
+	reg32 &= ~(0xff);
+	reg32 |= 0x40;
+	pci_mmio_write_config32(dev, 0x330, reg32);
+
+	/* Set 0x33C[24:0] = 0x854c74 */
+	reg32 = pci_mmio_read_config32(dev, 0x33c);
+	reg32 &= 0xff000000;
+	reg32 |= 0x00854c74;
+	pci_mmio_write_config32(dev, 0x33c, reg32);
+
+	/* No IO-APIC, Disable EOI forwarding */
+	reg32 = pci_read_config32(dev, 0xd4);
+	reg32 |= (1 << 1);
+	pci_write_config32(dev, 0xd4, reg32);
+
+	/* Get configured ASPM state */
+	apmc = pci_read_config32(dev, 0x50) & 3;
+
+	/* If both L0s and L1 enabled then set root port 0xE8[1]=1 */
+	if (apmc == PCIE_ASPM_BOTH) {
+		reg32 = pci_read_config32(dev, 0xe8);
+		reg32 |= (1 << 1);
+		pci_write_config32(dev, 0xe8, reg32);
+	}
+}
+
+static void pci_init(struct device *dev)
+{
+	u16 reg16;
+	u32 reg32;
+
+	printk(BIOS_DEBUG, "Initializing PCH PCIe bridge.\n");
+
+	/* Enable Bus Master */
+	reg32 = pci_read_config32(dev, PCI_COMMAND);
+	reg32 |= PCI_COMMAND_MASTER;
+	pci_write_config32(dev, PCI_COMMAND, reg32);
+
+	/* Set Cache Line Size to 0x10 */
+	// This has no effect but the OS might expect it
+	pci_write_config8(dev, 0x0c, 0x10);
+
+	reg16 = pci_read_config16(dev, 0x3e);
+	reg16 &= ~(1 << 0); /* disable parity error response */
+	// reg16 &= ~(1 << 1); /* disable SERR */
+	reg16 |= (1 << 2); /* ISA enable */
+	pci_write_config16(dev, 0x3e, reg16);
+
+#ifdef EVEN_MORE_DEBUG
+	reg32 = pci_read_config32(dev, 0x20);
+	printk(BIOS_SPEW, "    MBL    = 0x%08x\n", reg32);
+	reg32 = pci_read_config32(dev, 0x24);
+	printk(BIOS_SPEW, "    PMBL   = 0x%08x\n", reg32);
+	reg32 = pci_read_config32(dev, 0x28);
+	printk(BIOS_SPEW, "    PMBU32 = 0x%08x\n", reg32);
+	reg32 = pci_read_config32(dev, 0x2c);
+	printk(BIOS_SPEW, "    PMLU32 = 0x%08x\n", reg32);
+#endif
+
+	/* Clear errors in status registers */
+	reg16 = pci_read_config16(dev, 0x06);
+	//reg16 |= 0xf900;
+	pci_write_config16(dev, 0x06, reg16);
+
+	reg16 = pci_read_config16(dev, 0x1e);
+	//reg16 |= 0xf900;
+	pci_write_config16(dev, 0x1e, reg16);
+
+	/* Power Management init after enumeration */
+	pch_pcie_pm_late(dev);
+}
+
+static void pch_pcie_enable(device_t dev)
+{
+	/* Power Management init before enumeration */
+	pch_pcie_pm_early(dev);
+}
+
+static void pcie_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	/* NOTE: This is not the default position! */
+	if (!vendor || !device) {
+		pci_write_config32(dev, 0x94,
+				pci_read_config32(dev, 0));
+	} else {
+		pci_write_config32(dev, 0x94,
+				((device & 0xffff) << 16) | (vendor & 0xffff));
+	}
+}
+
+static struct pci_operations pci_ops = {
+	.set_subsystem = pcie_set_subsystem,
+};
+
+static struct device_operations device_ops = {
+	.read_resources		= pci_bus_read_resources,
+	.set_resources		= pci_dev_set_resources,
+	.enable_resources	= pci_bus_enable_resources,
+	.init			= pci_init,
+	.enable			= pch_pcie_enable,
+	.scan_bus		= pciexp_scan_bridge,
+	.ops_pci		= &pci_ops,
+};
+
+static const struct pci_driver pch_pcie_port1 __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c10,	/* D28:F0 */
+};
+
+static const struct pci_driver pch_pcie_port1_a __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1e10,	/* D28:F0 */
+};
+
+static const struct pci_driver pch_pcie_port2 __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c12,	/* D28:F1 */
+};
+
+static const struct pci_driver pch_pcie_port3 __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c14,	/* D28:F2 */
+};
+
+static const struct pci_driver pch_pcie_port3_a __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1e14,	/* D28:F2 */
+};
+
+static const struct pci_driver pch_pcie_port4 __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c16,	/* D28:F3 */
+};
+
+static const struct pci_driver pch_pcie_port4_a __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1e16,	/* D28:F3 */
+};
+
+static const struct pci_driver pch_pcie_port5 __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c18,	/* D28:F4 */
+};
+
+static const struct pci_driver pch_pcie_port6 __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c1a,	/* D28:F5 */
+};
+
+static const struct pci_driver pch_pcie_port7 __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c1c,	/* D28:F6 */
+};
+
+static const struct pci_driver pch_pcie_port8 __pci_driver = {
+	.ops	= &device_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c1e,	/* D28:F7 */
+};
diff --git a/src/southbridge/intel/bd82x6x/reset.c b/src/southbridge/intel/bd82x6x/reset.c
new file mode 100644
index 0000000000..29b69ff43a
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/reset.c
@@ -0,0 +1,41 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <reset.h>
+
+void soft_reset(void)
+{
+        outb(0x04, 0xcf9);
+}
+
+#if 0
+void hard_reset(void)
+{
+	/* Try rebooting through port 0xcf9. */
+	outb((1 << 2) | (1 << 1), 0xcf9);
+}
+#endif
+
+void hard_reset(void)
+{
+        outb(0x02, 0xcf9);
+        outb(0x06, 0xcf9);
+}
diff --git a/src/southbridge/intel/bd82x6x/sata.c b/src/southbridge/intel/bd82x6x/sata.c
new file mode 100644
index 0000000000..057b8825b0
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/sata.c
@@ -0,0 +1,246 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include "pch.h"
+
+typedef struct southbridge_intel_bd82x6x_config config_t;
+
+static void sata_init(struct device *dev)
+{
+	u32 reg32;
+	u16 reg16;
+	/* Get the chip configuration */
+	config_t *config = dev->chip_info;
+
+	printk(BIOS_DEBUG, "pch_sata: initializing...\n");
+
+	if (config == NULL) {
+		printk(BIOS_ERR, "pch_sata: error: device not in devicetree.cb!\n");
+		return;
+	}
+
+	/* SATA configuration */
+
+	/* Enable BARs */
+	pci_write_config16(dev, PCI_COMMAND, 0x0007);
+
+	if (config->ide_legacy_combined) {
+		printk(BIOS_DEBUG, "SATA controller in combined mode.\n");
+		/* Combine IDE - SATA configuration */
+		pci_write_config16(dev, 0x90, 0x0000);
+
+		/* No AHCI: clear AHCI base */
+		pci_write_config32(dev, 0x24, 0x00000000);
+		/* And without AHCI BAR no memory decoding */
+		reg16 = pci_read_config16(dev, PCI_COMMAND);
+		reg16 &= ~PCI_COMMAND_MEMORY;
+		pci_write_config16(dev, PCI_COMMAND, reg16);
+
+		pci_write_config8(dev, 0x09, 0x80);
+
+		/* Set timings */
+		pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
+				IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS);
+		pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
+				IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
+				IDE_PPE0 | IDE_IE0 | IDE_TIME0);
+
+		/* Sync DMA */
+		pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0);
+		pci_write_config16(dev, IDE_SDMA_TIM, 0x0200);
+
+		/* Set IDE I/O Configuration */
+		reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
+		pci_write_config32(dev, IDE_CONFIG, reg32);
+
+		/* Port enable */
+		reg16 = pci_read_config16(dev, 0x92);
+		reg16 &= ~0x3f;
+		reg16 |= config->sata_port_map;
+		pci_write_config16(dev, 0x92, reg16);
+
+		/* SATA Initialization register */
+		pci_write_config32(dev, 0x94,
+			   ((config->sata_port_map ^ 0x3f) << 24) | 0x183);
+	} else if(config->sata_ahci) {
+		u32 abar;
+
+		printk(BIOS_DEBUG, "SATA controller in AHCI mode.\n");
+		/* Set Sata Controller Mode. */
+		pci_write_config16(dev, 0x90, 0x0060 |
+				   ((config->sata_port_map ^ 0x3f) << 8));
+
+		/* Set Interrupt Line */
+		/* Interrupt Pin is set by D31IP.PIP */
+		pci_write_config8(dev, INTR_LN, 0x0a);
+
+		/* Set timings */
+		pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
+				IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
+				IDE_PPE0 | IDE_IE0 | IDE_TIME0);
+		pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
+				IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS);
+
+		/* Sync DMA */
+		pci_write_config16(dev, IDE_SDMA_CNT, IDE_PSDE0);
+		pci_write_config16(dev, IDE_SDMA_TIM, 0x0001);
+
+		/* Set IDE I/O Configuration */
+		reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
+		pci_write_config32(dev, IDE_CONFIG, reg32);
+
+		/* for AHCI, Port Enable is managed in memory mapped space */
+		reg16 = pci_read_config16(dev, 0x92);
+		reg16 &= ~0x3f; /* 6 ports SKU + ORM */
+		reg16 |= 0x8000 | config->sata_port_map;
+		pci_write_config16(dev, 0x92, reg16);
+
+		/* SATA Initialization register */
+		pci_write_config32(dev, 0x94,
+			   ((config->sata_port_map ^ 0x3f) << 24) | 0x183);
+
+		/* Initialize AHCI memory-mapped space */
+		abar = pci_read_config32(dev, PCI_BASE_ADDRESS_5);
+		printk(BIOS_DEBUG, "ABAR: %08X\n", abar);
+		/* CAP (HBA Capabilities) : enable power management */
+		reg32 = read32(abar + 0x00);
+		reg32 |= 0x0c006000;  // set PSC+SSC+SALP+SSS
+		reg32 &= ~0x00020060; // clear SXS+EMS+PMS
+		write32(abar + 0x00, reg32);
+		/* PI (Ports implemented) */
+		write32(abar + 0x0c, config->sata_port_map);
+		(void) read32(abar + 0x0c); /* Read back 1 */
+		(void) read32(abar + 0x0c); /* Read back 2 */
+		/* CAP2 (HBA Capabilities Extended)*/
+		reg32 = read32(abar + 0x24);
+		reg32 &= ~0x00000002;
+		write32(abar + 0x24, reg32);
+		/* VSP (Vendor Specific Register */
+		reg32 = read32(abar + 0xa0);
+		reg32 &= ~0x00000005;
+		write32(abar + 0xa0, reg32);
+	} else {
+		printk(BIOS_DEBUG, "SATA controller in plain mode.\n");
+		/* Set Sata Controller Mode. No Mapping(?) */
+		pci_write_config16(dev, 0x90, 0x0000);
+
+		/* No AHCI: clear AHCI base */
+		pci_write_config32(dev, 0x24, 0x00000000);
+
+		/* And without AHCI BAR no memory decoding */
+		reg16 = pci_read_config16(dev, PCI_COMMAND);
+		reg16 &= ~PCI_COMMAND_MEMORY;
+		pci_write_config16(dev, PCI_COMMAND, reg16);
+
+		/* Native mode capable on both primary and secondary (0xa)
+		 * or'ed with enabled (0x50) = 0xf
+		 */
+		pci_write_config8(dev, 0x09, 0x8f);
+
+		/* Set Interrupt Line */
+		/* Interrupt Pin is set by D31IP.PIP */
+		pci_write_config8(dev, INTR_LN, 0xff);
+
+		/* Set timings */
+		pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
+				IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
+				IDE_PPE0 | IDE_IE0 | IDE_TIME0);
+		pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
+				IDE_SITRE | IDE_ISP_3_CLOCKS |
+				IDE_RCT_1_CLOCKS | IDE_IE0 | IDE_TIME0);
+
+		/* Sync DMA */
+		pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0 | IDE_PSDE0);
+		pci_write_config16(dev, IDE_SDMA_TIM, 0x0201);
+
+		/* Set IDE I/O Configuration */
+		reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
+		pci_write_config32(dev, IDE_CONFIG, reg32);
+
+		/* Port enable */
+		reg16 = pci_read_config16(dev, 0x92);
+		reg16 &= ~0x3f;
+		reg16 |= config->sata_port_map;
+		pci_write_config16(dev, 0x92, reg16);
+
+		/* SATA Initialization register */
+		pci_write_config32(dev, 0x94,
+			   ((config->sata_port_map ^ 0x3f) << 24) | 0x183);
+	}
+}
+
+static void sata_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	if (!vendor || !device) {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				pci_read_config32(dev, PCI_VENDOR_ID));
+	} else {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				((device & 0xffff) << 16) | (vendor & 0xffff));
+	}
+}
+
+static struct pci_operations sata_pci_ops = {
+	.set_subsystem    = sata_set_subsystem,
+};
+
+static struct device_operations sata_ops = {
+	.read_resources		= pci_dev_read_resources,
+	.set_resources		= pci_dev_set_resources,
+	.enable_resources	= pci_dev_enable_resources,
+	.init			= sata_init,
+	.scan_bus		= 0,
+	.ops_pci		= &sata_pci_ops,
+};
+
+/* Non-AHCI and Non-RAID Mode */
+static const struct pci_driver pch_sata_normal_driver __pci_driver = {
+	.ops	= &sata_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c00,
+};
+static const struct pci_driver pch_sata_mobile_normal_driver __pci_driver = {
+	.ops	= &sata_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c01,
+};
+
+/* AHCI Mode */
+static const struct pci_driver pch_sata_ahci_driver __pci_driver = {
+	.ops	= &sata_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c02,
+};
+static const struct pci_driver pch_sata_mobile_ahci_driver __pci_driver = {
+	.ops	= &sata_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c03,
+};
+static const struct pci_driver pch_sata_mobile_ahci_driver_a __pci_driver = {
+	.ops	= &sata_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1e03,
+};
+
diff --git a/src/southbridge/intel/bd82x6x/smbus.c b/src/southbridge/intel/bd82x6x/smbus.c
new file mode 100644
index 0000000000..baa3cfbc45
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/smbus.c
@@ -0,0 +1,113 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/path.h>
+#include <device/smbus.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <arch/io.h>
+#include "pch.h"
+#include "smbus.h"
+
+static void pch_smbus_init(device_t dev)
+{
+	struct resource *res;
+	u16 reg16;
+
+	/* Enable clock gating */
+	reg16 = pci_read_config32(dev, 0x80);
+	reg16 &= ~((1 << 8)|(1 << 10)|(1 << 12)|(1 << 14));
+	pci_write_config32(dev, 0x80, reg16);
+
+	/* Set Receive Slave Address */
+	res = find_resource(dev, PCI_BASE_ADDRESS_4);
+	if (res)
+		outb(SMBUS_SLAVE_ADDR, res->base + SMB_RCV_SLVA);
+}
+
+static int lsmbus_read_byte(device_t dev, u8 address)
+{
+	u16 device;
+	struct resource *res;
+	struct bus *pbus;
+
+	device = dev->path.i2c.device;
+	pbus = get_pbus_smbus(dev);
+	res = find_resource(pbus->dev, 0x20);
+
+	return do_smbus_read_byte(res->base, device, address);
+}
+
+static struct smbus_bus_operations lops_smbus_bus = {
+	.read_byte	= lsmbus_read_byte,
+};
+
+static void smbus_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	if (!vendor || !device) {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				pci_read_config32(dev, PCI_VENDOR_ID));
+	} else {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				((device & 0xffff) << 16) | (vendor & 0xffff));
+	}
+}
+
+static struct pci_operations smbus_pci_ops = {
+	.set_subsystem    = smbus_set_subsystem,
+};
+
+static void smbus_read_resources(device_t dev)
+{
+	struct resource *res = new_resource(dev, PCI_BASE_ADDRESS_4);
+	res->base = SMBUS_IO_BASE;
+	res->size = 32;
+	res->limit = res->base + res->size - 1;
+	res->flags = IORESOURCE_IO | IORESOURCE_FIXED | IORESOURCE_RESERVE |
+		     IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+
+	/* Also add MMIO resource */
+	res = pci_get_resource(dev, PCI_BASE_ADDRESS_0);
+}
+
+static struct device_operations smbus_ops = {
+	.read_resources		= smbus_read_resources,
+	.set_resources		= pci_dev_set_resources,
+	.enable_resources	= pci_dev_enable_resources,
+	.scan_bus		= scan_static_bus,
+	.init			= pch_smbus_init,
+	.ops_smbus_bus		= &lops_smbus_bus,
+	.ops_pci		= &smbus_pci_ops,
+};
+
+static const struct pci_driver pch_smbus __pci_driver = {
+	.ops	= &smbus_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c22,
+};
+
+static const struct pci_driver pch_smbus_a __pci_driver = {
+	.ops	= &smbus_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1e22,
+};
diff --git a/src/southbridge/intel/bd82x6x/smbus.h b/src/southbridge/intel/bd82x6x/smbus.h
new file mode 100644
index 0000000000..f2f7f60d82
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/smbus.h
@@ -0,0 +1,100 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2005 Yinghai Lu <yinghailu@gmail.com>
+ * Copyright (C) 2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <device/smbus_def.h>
+#include "pch.h"
+
+static void smbus_delay(void)
+{
+	inb(0x80);
+}
+
+static int smbus_wait_until_ready(u16 smbus_base)
+{
+	unsigned loops = SMBUS_TIMEOUT;
+	unsigned char byte;
+	do {
+		smbus_delay();
+		if (--loops == 0)
+			break;
+		byte = inb(smbus_base + SMBHSTSTAT);
+	} while (byte & 1);
+	return loops ? 0 : -1;
+}
+
+static int smbus_wait_until_done(u16 smbus_base)
+{
+	unsigned loops = SMBUS_TIMEOUT;
+	unsigned char byte;
+	do {
+		smbus_delay();
+		if (--loops == 0)
+			break;
+		byte = inb(smbus_base + SMBHSTSTAT);
+	} while ((byte & 1) || (byte & ~((1 << 6) | (1 << 0))) == 0);
+	return loops ? 0 : -1;
+}
+
+static int do_smbus_read_byte(unsigned smbus_base, unsigned device, unsigned address)
+{
+	unsigned char global_status_register;
+	unsigned char byte;
+
+	if (smbus_wait_until_ready(smbus_base) < 0) {
+		return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
+	}
+	/* Setup transaction */
+	/* Disable interrupts */
+	outb(inb(smbus_base + SMBHSTCTL) & (~1), smbus_base + SMBHSTCTL);
+	/* Set the device I'm talking too */
+	outb(((device & 0x7f) << 1) | 1, smbus_base + SMBXMITADD);
+	/* Set the command/address... */
+	outb(address & 0xff, smbus_base + SMBHSTCMD);
+	/* Set up for a byte data read */
+	outb((inb(smbus_base + SMBHSTCTL) & 0xe3) | (0x2 << 2),
+	     (smbus_base + SMBHSTCTL));
+	/* Clear any lingering errors, so the transaction will run */
+	outb(inb(smbus_base + SMBHSTSTAT), smbus_base + SMBHSTSTAT);
+
+	/* Clear the data byte... */
+	outb(0, smbus_base + SMBHSTDAT0);
+
+	/* Start the command */
+	outb((inb(smbus_base + SMBHSTCTL) | 0x40),
+	     smbus_base + SMBHSTCTL);
+
+	/* Poll for transaction completion */
+	if (smbus_wait_until_done(smbus_base) < 0) {
+		return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
+	}
+
+	global_status_register = inb(smbus_base + SMBHSTSTAT);
+
+	/* Ignore the "In Use" status... */
+	global_status_register &= ~(3 << 5);
+
+	/* Read results of transaction */
+	byte = inb(smbus_base + SMBHSTDAT0);
+	if (global_status_register != (1 << 1)) {
+		return SMBUS_ERROR;
+	}
+	return byte;
+}
+
diff --git a/src/southbridge/intel/bd82x6x/smi.c b/src/southbridge/intel/bd82x6x/smi.c
new file mode 100644
index 0000000000..da1084005f
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/smi.c
@@ -0,0 +1,403 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+
+#include <device/device.h>
+#include <device/pci.h>
+#include <console/console.h>
+#include <arch/io.h>
+#include <cpu/cpu.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/smm.h>
+#include <string.h>
+#include "pch.h"
+
+#if CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE || CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE
+#include "northbridge/intel/sandybridge/sandybridge.h"
+#endif
+
+extern unsigned char _binary_smm_start;
+extern unsigned char _binary_smm_size;
+
+/* While we read PMBASE dynamically in case it changed, let's
+ * initialize it with a sane value
+ */
+static u16 pmbase = DEFAULT_PMBASE;
+
+/**
+ * @brief read and clear PM1_STS
+ * @return PM1_STS register
+ */
+static u16 reset_pm1_status(void)
+{
+	u16 reg16;
+
+	reg16 = inw(pmbase + PM1_STS);
+	/* set status bits are cleared by writing 1 to them */
+	outw(reg16, pmbase + PM1_STS);
+
+	return reg16;
+}
+
+static void dump_pm1_status(u16 pm1_sts)
+{
+	printk(BIOS_DEBUG, "PM1_STS: ");
+	if (pm1_sts & (1 << 15)) printk(BIOS_DEBUG, "WAK ");
+	if (pm1_sts & (1 << 14)) printk(BIOS_DEBUG, "PCIEXPWAK ");
+	if (pm1_sts & (1 << 11)) printk(BIOS_DEBUG, "PRBTNOR ");
+	if (pm1_sts & (1 << 10)) printk(BIOS_DEBUG, "RTC ");
+	if (pm1_sts & (1 <<  8)) printk(BIOS_DEBUG, "PWRBTN ");
+	if (pm1_sts & (1 <<  5)) printk(BIOS_DEBUG, "GBL ");
+	if (pm1_sts & (1 <<  4)) printk(BIOS_DEBUG, "BM ");
+	if (pm1_sts & (1 <<  0)) printk(BIOS_DEBUG, "TMROF ");
+	printk(BIOS_DEBUG, "\n");
+}
+
+/**
+ * @brief read and clear SMI_STS
+ * @return SMI_STS register
+ */
+static u32 reset_smi_status(void)
+{
+	u32 reg32;
+
+	reg32 = inl(pmbase + SMI_STS);
+	/* set status bits are cleared by writing 1 to them */
+	outl(reg32, pmbase + SMI_STS);
+
+	return reg32;
+}
+
+static void dump_smi_status(u32 smi_sts)
+{
+	printk(BIOS_DEBUG, "SMI_STS: ");
+	if (smi_sts & (1 << 26)) printk(BIOS_DEBUG, "SPI ");
+	if (smi_sts & (1 << 25)) printk(BIOS_DEBUG, "EL_SMI ");
+	if (smi_sts & (1 << 21)) printk(BIOS_DEBUG, "MONITOR ");
+	if (smi_sts & (1 << 20)) printk(BIOS_DEBUG, "PCI_EXP_SMI ");
+	if (smi_sts & (1 << 18)) printk(BIOS_DEBUG, "INTEL_USB2 ");
+	if (smi_sts & (1 << 17)) printk(BIOS_DEBUG, "LEGACY_USB2 ");
+	if (smi_sts & (1 << 16)) printk(BIOS_DEBUG, "SMBUS_SMI ");
+	if (smi_sts & (1 << 15)) printk(BIOS_DEBUG, "SERIRQ_SMI ");
+	if (smi_sts & (1 << 14)) printk(BIOS_DEBUG, "PERIODIC ");
+	if (smi_sts & (1 << 13)) printk(BIOS_DEBUG, "TCO ");
+	if (smi_sts & (1 << 12)) printk(BIOS_DEBUG, "DEVMON ");
+	if (smi_sts & (1 << 11)) printk(BIOS_DEBUG, "MCSMI ");
+	if (smi_sts & (1 << 10)) printk(BIOS_DEBUG, "GPI ");
+	if (smi_sts & (1 <<  9)) printk(BIOS_DEBUG, "GPE0 ");
+	if (smi_sts & (1 <<  8)) printk(BIOS_DEBUG, "PM1 ");
+	if (smi_sts & (1 <<  6)) printk(BIOS_DEBUG, "SWSMI_TMR ");
+	if (smi_sts & (1 <<  5)) printk(BIOS_DEBUG, "APM ");
+	if (smi_sts & (1 <<  4)) printk(BIOS_DEBUG, "SLP_SMI ");
+	if (smi_sts & (1 <<  3)) printk(BIOS_DEBUG, "LEGACY_USB ");
+	if (smi_sts & (1 <<  2)) printk(BIOS_DEBUG, "BIOS ");
+	printk(BIOS_DEBUG, "\n");
+}
+
+
+/**
+ * @brief read and clear GPE0_STS
+ * @return GPE0_STS register
+ */
+static u32 reset_gpe0_status(void)
+{
+	u32 reg32;
+
+	reg32 = inl(pmbase + GPE0_STS);
+	/* set status bits are cleared by writing 1 to them */
+	outl(reg32, pmbase + GPE0_STS);
+
+	return reg32;
+}
+
+static void dump_gpe0_status(u32 gpe0_sts)
+{
+	int i;
+	printk(BIOS_DEBUG, "GPE0_STS: ");
+	for (i=31; i<= 16; i--) {
+		if (gpe0_sts & (1 << i)) printk(BIOS_DEBUG, "GPIO%d ", (i-16));
+	}
+	if (gpe0_sts & (1 << 14)) printk(BIOS_DEBUG, "USB4 ");
+	if (gpe0_sts & (1 << 13)) printk(BIOS_DEBUG, "PME_B0 ");
+	if (gpe0_sts & (1 << 12)) printk(BIOS_DEBUG, "USB3 ");
+	if (gpe0_sts & (1 << 11)) printk(BIOS_DEBUG, "PME ");
+	if (gpe0_sts & (1 << 10)) printk(BIOS_DEBUG, "EL_SCI/BATLOW ");
+	if (gpe0_sts & (1 <<  9)) printk(BIOS_DEBUG, "PCI_EXP ");
+	if (gpe0_sts & (1 <<  8)) printk(BIOS_DEBUG, "RI ");
+	if (gpe0_sts & (1 <<  7)) printk(BIOS_DEBUG, "SMB_WAK ");
+	if (gpe0_sts & (1 <<  6)) printk(BIOS_DEBUG, "TCO_SCI ");
+	if (gpe0_sts & (1 <<  5)) printk(BIOS_DEBUG, "AC97 ");
+	if (gpe0_sts & (1 <<  4)) printk(BIOS_DEBUG, "USB2 ");
+	if (gpe0_sts & (1 <<  3)) printk(BIOS_DEBUG, "USB1 ");
+	if (gpe0_sts & (1 <<  2)) printk(BIOS_DEBUG, "HOT_PLUG ");
+	if (gpe0_sts & (1 <<  0)) printk(BIOS_DEBUG, "THRM ");
+	printk(BIOS_DEBUG, "\n");
+}
+
+
+/**
+ * @brief read and clear ALT_GP_SMI_STS
+ * @return ALT_GP_SMI_STS register
+ */
+static u16 reset_alt_gp_smi_status(void)
+{
+	u16 reg16;
+
+	reg16 = inl(pmbase + ALT_GP_SMI_STS);
+	/* set status bits are cleared by writing 1 to them */
+	outl(reg16, pmbase + ALT_GP_SMI_STS);
+
+	return reg16;
+}
+
+static void dump_alt_gp_smi_status(u16 alt_gp_smi_sts)
+{
+	int i;
+	printk(BIOS_DEBUG, "ALT_GP_SMI_STS: ");
+	for (i=15; i<= 0; i--) {
+		if (alt_gp_smi_sts & (1 << i)) printk(BIOS_DEBUG, "GPI%d ", (i-16));
+	}
+	printk(BIOS_DEBUG, "\n");
+}
+
+
+
+/**
+ * @brief read and clear TCOx_STS
+ * @return TCOx_STS registers
+ */
+static u32 reset_tco_status(void)
+{
+	u32 tcobase = pmbase + 0x60;
+	u32 reg32;
+
+	reg32 = inl(tcobase + 0x04);
+	/* set status bits are cleared by writing 1 to them */
+	outl(reg32 & ~(1<<18), tcobase + 0x04); //  Don't clear BOOT_STS before SECOND_TO_STS
+	if (reg32 & (1 << 18))
+		outl(reg32 & (1<<18), tcobase + 0x04); // clear BOOT_STS
+
+	return reg32;
+}
+
+
+static void dump_tco_status(u32 tco_sts)
+{
+	printk(BIOS_DEBUG, "TCO_STS: ");
+	if (tco_sts & (1 << 20)) printk(BIOS_DEBUG, "SMLINK_SLV ");
+	if (tco_sts & (1 << 18)) printk(BIOS_DEBUG, "BOOT ");
+	if (tco_sts & (1 << 17)) printk(BIOS_DEBUG, "SECOND_TO ");
+	if (tco_sts & (1 << 16)) printk(BIOS_DEBUG, "INTRD_DET ");
+	if (tco_sts & (1 << 12)) printk(BIOS_DEBUG, "DMISERR ");
+	if (tco_sts & (1 << 10)) printk(BIOS_DEBUG, "DMISMI ");
+	if (tco_sts & (1 <<  9)) printk(BIOS_DEBUG, "DMISCI ");
+	if (tco_sts & (1 <<  8)) printk(BIOS_DEBUG, "BIOSWR ");
+	if (tco_sts & (1 <<  7)) printk(BIOS_DEBUG, "NEWCENTURY ");
+	if (tco_sts & (1 <<  3)) printk(BIOS_DEBUG, "TIMEOUT ");
+	if (tco_sts & (1 <<  2)) printk(BIOS_DEBUG, "TCO_INT ");
+	if (tco_sts & (1 <<  1)) printk(BIOS_DEBUG, "SW_TCO ");
+	if (tco_sts & (1 <<  0)) printk(BIOS_DEBUG, "NMI2SMI ");
+	printk(BIOS_DEBUG, "\n");
+}
+
+
+
+/**
+ * @brief Set the EOS bit
+ */
+static void smi_set_eos(void)
+{
+	u8 reg8;
+
+	reg8 = inb(pmbase + SMI_EN);
+	reg8 |= EOS;
+	outb(reg8, pmbase + SMI_EN);
+}
+
+extern uint8_t smm_relocation_start, smm_relocation_end;
+
+static void smm_relocate(void)
+{
+	u32 smi_en;
+	u16 pm1_en;
+	u32 gpe0_en;
+
+	printk(BIOS_DEBUG, "Initializing SMM handler...");
+
+	pmbase = pci_read_config32(dev_find_slot(0, PCI_DEVFN(0x1f, 0)),
+							PMBASE) & 0xff80;
+
+	printk(BIOS_SPEW, " ... pmbase = 0x%04x\n", pmbase);
+
+	smi_en = inl(pmbase + SMI_EN);
+	if (smi_en & APMC_EN) {
+		printk(BIOS_INFO, "SMI# handler already enabled?\n");
+		return;
+	}
+
+	/* copy the SMM relocation code */
+	memcpy((void *)0x38000, &smm_relocation_start,
+			&smm_relocation_end - &smm_relocation_start);
+
+	printk(BIOS_DEBUG, "\n");
+	dump_smi_status(reset_smi_status());
+	dump_pm1_status(reset_pm1_status());
+	dump_gpe0_status(reset_gpe0_status());
+	dump_alt_gp_smi_status(reset_alt_gp_smi_status());
+	dump_tco_status(reset_tco_status());
+
+	/* Disable GPE0 PME_B0 */
+	gpe0_en = inl(pmbase + GPE0_EN);
+	gpe0_en &= ~PME_B0_EN;
+	outl(gpe0_en, pmbase + GPE0_EN);
+
+	/* Enable SMI generation:
+	 *  - on TCO events
+	 *  - on APMC writes (io 0xb2)
+	 *  - on writes to SLP_EN (sleep states)
+	 *  - on writes to GBL_RLS (bios commands)
+	 * No SMIs:
+	 *  - on microcontroller writes (io 0x62/0x66)
+	 */
+
+	smi_en = 0; /* reset SMI enables */
+
+#if 0
+	smi_en |= LEGACY_USB2_EN | LEGACY_USB_EN;
+#endif
+	smi_en |= TCO_EN;
+	smi_en |= APMC_EN;
+#if DEBUG_PERIODIC_SMIS
+	/* Set DEBUG_PERIODIC_SMIS in pch.h to debug using
+	 * periodic SMIs.
+	 */
+	smi_en |= PERIODIC_EN;
+#endif
+	smi_en |= SLP_SMI_EN;
+#if 0
+	smi_en |= BIOS_EN;
+#endif
+
+	/* The following need to be on for SMIs to happen */
+	smi_en |= EOS | GBL_SMI_EN;
+
+	outl(smi_en, pmbase + SMI_EN);
+
+	pm1_en = 0;
+	pm1_en |= PWRBTN_EN;
+	pm1_en |= GBL_EN;
+	outw(pm1_en, pmbase + PM1_EN);
+
+	/**
+	 * There are several methods of raising a controlled SMI# via
+	 * software, among them:
+	 *  - Writes to io 0xb2 (APMC)
+	 *  - Writes to the Local Apic ICR with Delivery mode SMI.
+	 *
+	 * Using the local apic is a bit more tricky. According to
+	 * AMD Family 11 Processor BKDG no destination shorthand must be
+	 * used.
+	 * The whole SMM initialization is quite a bit hardware specific, so
+	 * I'm not too worried about the better of the methods at the moment
+	 */
+
+	/* raise an SMI interrupt */
+	printk(BIOS_SPEW, "  ... raise SMI#\n");
+	outb(0x00, 0xb2);
+}
+
+static int smm_handler_copied = 0;
+
+static void smm_install(void)
+{
+	device_t dev = dev_find_slot(0, PCI_DEVFN(0, 0));
+	u32 smm_base = 0xa0000;
+	struct ied_header ied = {
+		.signature = "INTEL RSVD",
+		.size = IED_SIZE,
+		.reserved = {0},
+	};
+
+	/* The first CPU running this gets to copy the SMM handler. But not all
+	 * of them.
+	 */
+	if (smm_handler_copied)
+		return;
+	smm_handler_copied = 1;
+
+	/* enable the SMM memory window */
+	pci_write_config8(dev, SMRAM, D_OPEN | G_SMRAME | C_BASE_SEG);
+
+#if CONFIG_SMM_TSEG
+	smm_base = pci_read_config32(dev, TSEG) & ~1;
+#endif
+
+	/* copy the real SMM handler */
+	printk(BIOS_DEBUG, "Installing SMM handler to 0x%08x\n", smm_base);
+	memcpy((void *)smm_base, &_binary_smm_start, (size_t)&_binary_smm_size);
+
+	/* copy the IED header into place */
+	if (CONFIG_SMM_TSEG_SIZE > IED_SIZE) {
+		/* Top of TSEG region */
+		smm_base += CONFIG_SMM_TSEG_SIZE - IED_SIZE;
+		printk(BIOS_DEBUG, "Installing IED header to 0x%08x\n",
+		       smm_base);
+		memcpy((void *)smm_base, &ied, sizeof(ied));
+	}
+	wbinvd();
+
+	/* close the SMM memory window and enable normal SMM */
+	pci_write_config8(dev, SMRAM, G_SMRAME | C_BASE_SEG);
+}
+
+void smm_init(void)
+{
+	/* Put SMM code to 0xa0000 */
+	smm_install();
+
+	/* Put relocation code to 0x38000 and relocate SMBASE */
+	smm_relocate();
+
+	/* We're done. Make sure SMIs can happen! */
+	smi_set_eos();
+}
+
+void smm_lock(void)
+{
+	/* LOCK the SMM memory window and enable normal SMM.
+	 * After running this function, only a full reset can
+	 * make the SMM registers writable again.
+	 */
+	printk(BIOS_DEBUG, "Locking SMM.\n");
+	pci_write_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), SMRAM,
+			D_LCK | G_SMRAME | C_BASE_SEG);
+}
+
+void smm_setup_structures(void *gnvs, void *tcg, void *smi1)
+{
+	/* The GDT or coreboot table is going to live here. But a long time
+	 * after we relocated the GNVS, so this is not troublesome.
+	 */
+	*(u32 *)0x500 = (u32)gnvs;
+	*(u32 *)0x504 = (u32)tcg;
+	*(u32 *)0x508 = (u32)smi1;
+	outb(0xea, 0xb2);
+}
diff --git a/src/southbridge/intel/bd82x6x/smihandler.c b/src/southbridge/intel/bd82x6x/smihandler.c
new file mode 100644
index 0000000000..e311d95e01
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/smihandler.c
@@ -0,0 +1,709 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <types.h>
+#include <arch/hlt.h>
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <console/console.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/smm.h>
+#include <device/pci_def.h>
+#include <cpu/x86/smm.h>
+#include "pch.h"
+
+#include "nvs.h"
+
+/* While we read PMBASE dynamically in case it changed, let's
+ * initialize it with a sane value
+ */
+u16 pmbase = DEFAULT_PMBASE;
+u8 smm_initialized = 0;
+
+/* GNVS needs to be updated by an 0xEA PM Trap (B2) after it has been located
+ * by coreboot.
+ */
+global_nvs_t *gnvs = (global_nvs_t *)0x0;
+void *tcg = (void *)0x0;
+void *smi1 = (void *)0x0;
+
+#if CONFIG_SMM_TSEG
+static u32 tseg_base = 0;
+static inline void tseg_fixup(void **ptr)
+{
+	/* Adjust pointer with TSEG base */
+	if (*ptr)
+		*ptr = (void *)(((u8*)*ptr) + tseg_base);
+}
+#else
+#define tseg_fixup(x) do {} while(0)
+#endif
+
+/**
+ * @brief read and clear PM1_STS
+ * @return PM1_STS register
+ */
+static u16 reset_pm1_status(void)
+{
+	u16 reg16;
+
+	reg16 = inw(pmbase + PM1_STS);
+	/* set status bits are cleared by writing 1 to them */
+	outw(reg16, pmbase + PM1_STS);
+
+	return reg16;
+}
+
+static void dump_pm1_status(u16 pm1_sts)
+{
+	printk(BIOS_SPEW, "PM1_STS: ");
+	if (pm1_sts & (1 << 15)) printk(BIOS_SPEW, "WAK ");
+	if (pm1_sts & (1 << 14)) printk(BIOS_SPEW, "PCIEXPWAK ");
+	if (pm1_sts & (1 << 11)) printk(BIOS_SPEW, "PRBTNOR ");
+	if (pm1_sts & (1 << 10)) printk(BIOS_SPEW, "RTC ");
+	if (pm1_sts & (1 <<  8)) printk(BIOS_SPEW, "PWRBTN ");
+	if (pm1_sts & (1 <<  5)) printk(BIOS_SPEW, "GBL ");
+	if (pm1_sts & (1 <<  4)) printk(BIOS_SPEW, "BM ");
+	if (pm1_sts & (1 <<  0)) printk(BIOS_SPEW, "TMROF ");
+	printk(BIOS_SPEW, "\n");
+	int reg16 = inw(pmbase + PM1_EN);
+	printk(BIOS_SPEW, "PM1_EN: %x\n", reg16);
+}
+
+/**
+ * @brief read and clear SMI_STS
+ * @return SMI_STS register
+ */
+static u32 reset_smi_status(void)
+{
+	u32 reg32;
+
+	reg32 = inl(pmbase + SMI_STS);
+	/* set status bits are cleared by writing 1 to them */
+	outl(reg32, pmbase + SMI_STS);
+
+	return reg32;
+}
+
+static void dump_smi_status(u32 smi_sts)
+{
+	printk(BIOS_DEBUG, "SMI_STS: ");
+	if (smi_sts & (1 << 26)) printk(BIOS_DEBUG, "SPI ");
+	if (smi_sts & (1 << 21)) printk(BIOS_DEBUG, "MONITOR ");
+	if (smi_sts & (1 << 20)) printk(BIOS_DEBUG, "PCI_EXP_SMI ");
+	if (smi_sts & (1 << 18)) printk(BIOS_DEBUG, "INTEL_USB2 ");
+	if (smi_sts & (1 << 17)) printk(BIOS_DEBUG, "LEGACY_USB2 ");
+	if (smi_sts & (1 << 16)) printk(BIOS_DEBUG, "SMBUS_SMI ");
+	if (smi_sts & (1 << 15)) printk(BIOS_DEBUG, "SERIRQ_SMI ");
+	if (smi_sts & (1 << 14)) printk(BIOS_DEBUG, "PERIODIC ");
+	if (smi_sts & (1 << 13)) printk(BIOS_DEBUG, "TCO ");
+	if (smi_sts & (1 << 12)) printk(BIOS_DEBUG, "DEVMON ");
+	if (smi_sts & (1 << 11)) printk(BIOS_DEBUG, "MCSMI ");
+	if (smi_sts & (1 << 10)) printk(BIOS_DEBUG, "GPI ");
+	if (smi_sts & (1 <<  9)) printk(BIOS_DEBUG, "GPE0 ");
+	if (smi_sts & (1 <<  8)) printk(BIOS_DEBUG, "PM1 ");
+	if (smi_sts & (1 <<  6)) printk(BIOS_DEBUG, "SWSMI_TMR ");
+	if (smi_sts & (1 <<  5)) printk(BIOS_DEBUG, "APM ");
+	if (smi_sts & (1 <<  4)) printk(BIOS_DEBUG, "SLP_SMI ");
+	if (smi_sts & (1 <<  3)) printk(BIOS_DEBUG, "LEGACY_USB ");
+	if (smi_sts & (1 <<  2)) printk(BIOS_DEBUG, "BIOS ");
+	printk(BIOS_DEBUG, "\n");
+}
+
+
+/**
+ * @brief read and clear GPE0_STS
+ * @return GPE0_STS register
+ */
+static u32 reset_gpe0_status(void)
+{
+	u32 reg32;
+
+	reg32 = inl(pmbase + GPE0_STS);
+	/* set status bits are cleared by writing 1 to them */
+	outl(reg32, pmbase + GPE0_STS);
+
+	return reg32;
+}
+
+static void dump_gpe0_status(u32 gpe0_sts)
+{
+	int i;
+	printk(BIOS_DEBUG, "GPE0_STS: ");
+	for (i=31; i<= 16; i--) {
+		if (gpe0_sts & (1 << i)) printk(BIOS_DEBUG, "GPIO%d ", (i-16));
+	}
+	if (gpe0_sts & (1 << 14)) printk(BIOS_DEBUG, "USB4 ");
+	if (gpe0_sts & (1 << 13)) printk(BIOS_DEBUG, "PME_B0 ");
+	if (gpe0_sts & (1 << 12)) printk(BIOS_DEBUG, "USB3 ");
+	if (gpe0_sts & (1 << 11)) printk(BIOS_DEBUG, "PME ");
+	if (gpe0_sts & (1 << 10)) printk(BIOS_DEBUG, "BATLOW ");
+	if (gpe0_sts & (1 <<  9)) printk(BIOS_DEBUG, "PCI_EXP ");
+	if (gpe0_sts & (1 <<  8)) printk(BIOS_DEBUG, "RI ");
+	if (gpe0_sts & (1 <<  7)) printk(BIOS_DEBUG, "SMB_WAK ");
+	if (gpe0_sts & (1 <<  6)) printk(BIOS_DEBUG, "TCO_SCI ");
+	if (gpe0_sts & (1 <<  5)) printk(BIOS_DEBUG, "AC97 ");
+	if (gpe0_sts & (1 <<  4)) printk(BIOS_DEBUG, "USB2 ");
+	if (gpe0_sts & (1 <<  3)) printk(BIOS_DEBUG, "USB1 ");
+	if (gpe0_sts & (1 <<  2)) printk(BIOS_DEBUG, "SWGPE ");
+	if (gpe0_sts & (1 <<  1)) printk(BIOS_DEBUG, "HOTPLUG ");
+	if (gpe0_sts & (1 <<  0)) printk(BIOS_DEBUG, "THRM ");
+	printk(BIOS_DEBUG, "\n");
+}
+
+
+/**
+ * @brief read and clear TCOx_STS
+ * @return TCOx_STS registers
+ */
+static u32 reset_tco_status(void)
+{
+	u32 tcobase = pmbase + 0x60;
+	u32 reg32;
+
+	reg32 = inl(tcobase + 0x04);
+	/* set status bits are cleared by writing 1 to them */
+	outl(reg32 & ~(1<<18), tcobase + 0x04); //  Don't clear BOOT_STS before SECOND_TO_STS
+	if (reg32 & (1 << 18))
+		outl(reg32 & (1<<18), tcobase + 0x04); // clear BOOT_STS
+
+	return reg32;
+}
+
+
+static void dump_tco_status(u32 tco_sts)
+{
+	printk(BIOS_DEBUG, "TCO_STS: ");
+	if (tco_sts & (1 << 20)) printk(BIOS_DEBUG, "SMLINK_SLV ");
+	if (tco_sts & (1 << 18)) printk(BIOS_DEBUG, "BOOT ");
+	if (tco_sts & (1 << 17)) printk(BIOS_DEBUG, "SECOND_TO ");
+	if (tco_sts & (1 << 16)) printk(BIOS_DEBUG, "INTRD_DET ");
+	if (tco_sts & (1 << 12)) printk(BIOS_DEBUG, "DMISERR ");
+	if (tco_sts & (1 << 10)) printk(BIOS_DEBUG, "DMISMI ");
+	if (tco_sts & (1 <<  9)) printk(BIOS_DEBUG, "DMISCI ");
+	if (tco_sts & (1 <<  8)) printk(BIOS_DEBUG, "BIOSWR ");
+	if (tco_sts & (1 <<  7)) printk(BIOS_DEBUG, "NEWCENTURY ");
+	if (tco_sts & (1 <<  3)) printk(BIOS_DEBUG, "TIMEOUT ");
+	if (tco_sts & (1 <<  2)) printk(BIOS_DEBUG, "TCO_INT ");
+	if (tco_sts & (1 <<  1)) printk(BIOS_DEBUG, "SW_TCO ");
+	if (tco_sts & (1 <<  0)) printk(BIOS_DEBUG, "NMI2SMI ");
+	printk(BIOS_DEBUG, "\n");
+}
+
+/* We are using PCIe accesses for now
+ *  1. the chipset can do it
+ *  2. we don't need to worry about how we leave 0xcf8/0xcfc behind
+ */
+#include <northbridge/intel/sandybridge/sandybridge.h>
+#include <northbridge/intel/sandybridge/pcie_config.c>
+
+int southbridge_io_trap_handler(int smif)
+{
+	switch (smif) {
+	case 0x32:
+		printk(BIOS_DEBUG, "OS Init\n");
+		/* gnvs->smif:
+		 *  On success, the IO Trap Handler returns 0
+		 *  On failure, the IO Trap Handler returns a value != 0
+		 */
+		gnvs->smif = 0;
+		return 1; /* IO trap handled */
+	}
+
+	/* Not handled */
+	return 0;
+}
+
+/**
+ * @brief Set the EOS bit
+ */
+void southbridge_smi_set_eos(void)
+{
+	u8 reg8;
+
+	reg8 = inb(pmbase + SMI_EN);
+	reg8 |= EOS;
+	outb(reg8, pmbase + SMI_EN);
+}
+
+static void busmaster_disable_on_bus(int bus)
+{
+        int slot, func;
+        unsigned int val;
+        unsigned char hdr;
+
+        for (slot = 0; slot < 0x20; slot++) {
+                for (func = 0; func < 8; func++) {
+                        u32 reg32;
+                        device_t dev = PCI_DEV(bus, slot, func);
+
+                        val = pci_read_config32(dev, PCI_VENDOR_ID);
+
+                        if (val == 0xffffffff || val == 0x00000000 ||
+                            val == 0x0000ffff || val == 0xffff0000)
+                                continue;
+
+                        /* Disable Bus Mastering for this one device */
+                        reg32 = pci_read_config32(dev, PCI_COMMAND);
+                        reg32 &= ~PCI_COMMAND_MASTER;
+                        pci_write_config32(dev, PCI_COMMAND, reg32);
+
+                        /* If this is a bridge, then follow it. */
+                        hdr = pci_read_config8(dev, PCI_HEADER_TYPE);
+                        hdr &= 0x7f;
+                        if (hdr == PCI_HEADER_TYPE_BRIDGE ||
+                            hdr == PCI_HEADER_TYPE_CARDBUS) {
+                                unsigned int buses;
+                                buses = pci_read_config32(dev, PCI_PRIMARY_BUS);
+                                busmaster_disable_on_bus((buses >> 8) & 0xff);
+                        }
+                }
+        }
+}
+
+/*
+ * Drive GPIO 60 low to gate memory reset in S3.
+ *
+ * Intel reference designs all use GPIO 60 but it is
+ * not a requirement and boards could use a different pin.
+ */
+static void southbridge_gate_memory_reset(void)
+{
+	u32 reg32;
+	u16 gpiobase;
+
+	gpiobase = pcie_read_config16(PCI_DEV(0, 0x1f, 0), GPIOBASE) & 0xfffc;
+	if (!gpiobase)
+		return;
+
+	/* Make sure it is set as GPIO */
+	reg32 = inl(gpiobase + GPIO_USE_SEL2);
+	if (!(reg32 & (1 << 28))) {
+		reg32 |= (1 << 28);
+		outl(reg32, gpiobase + GPIO_USE_SEL2);
+	}
+
+	/* Make sure it is set as output */
+	reg32 = inl(gpiobase + GP_IO_SEL2);
+	if (reg32 & (1 << 28)) {
+		reg32 &= ~(1 << 28);
+		outl(reg32, gpiobase + GP_IO_SEL2);
+	}
+
+	/* Drive the output low */
+	reg32 = inl(gpiobase + GP_LVL2);
+	reg32 &= ~(1 << 28);
+	outl(reg32, gpiobase + GP_LVL2);
+}
+
+static void southbridge_smi_sleep(unsigned int node, smm_state_save_area_t *state_save)
+{
+	u8 reg8;
+	u32 reg32;
+	u8 slp_typ;
+	/* FIXME: the power state on boot should be read from
+	 * CMOS or even better from GNVS. Right now it's hard
+	 * coded at compile time.
+	 */
+	u8 s5pwr = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
+	void (*mainboard_sleep)(u8 slp_typ) = mainboard_smi_sleep;
+
+	/* First, disable further SMIs */
+	reg8 = inb(pmbase + SMI_EN);
+	reg8 &= ~SLP_SMI_EN;
+	outb(reg8, pmbase + SMI_EN);
+
+	/* Figure out SLP_TYP */
+	reg32 = inl(pmbase + PM1_CNT);
+	printk(BIOS_SPEW, "SMI#: SLP = 0x%08x\n", reg32);
+	slp_typ = (reg32 >> 10) & 7;
+
+	/* Do any mainboard sleep handling */
+	tseg_fixup((void **)&mainboard_sleep);
+	if (mainboard_sleep)
+		mainboard_sleep(slp_typ);
+
+	/* Next, do the deed.
+	 */
+
+	switch (slp_typ) {
+	case 0: printk(BIOS_DEBUG, "SMI#: Entering S0 (On)\n"); break;
+	case 1: printk(BIOS_DEBUG, "SMI#: Entering S1 (Assert STPCLK#)\n"); break;
+	case 5:
+		printk(BIOS_DEBUG, "SMI#: Entering S3 (Suspend-To-RAM)\n");
+
+		/* Gate memory reset */
+		southbridge_gate_memory_reset();
+
+		/* Invalidate the cache before going to S3 */
+		wbinvd();
+		break;
+	case 6: printk(BIOS_DEBUG, "SMI#: Entering S4 (Suspend-To-Disk)\n"); break;
+	case 7:
+		printk(BIOS_DEBUG, "SMI#: Entering S5 (Soft Power off)\n");
+
+		outl(0, pmbase + GPE0_EN);
+
+		/* Should we keep the power state after a power loss?
+		 * In case the setting is "ON" or "OFF" we don't have
+		 * to do anything. But if it's "KEEP" we have to switch
+		 * to "OFF" before entering S5.
+		 */
+		if (s5pwr == MAINBOARD_POWER_KEEP) {
+			reg8 = pcie_read_config8(PCI_DEV(0, 0x1f, 0), GEN_PMCON_3);
+			reg8 |= 1;
+			pcie_write_config8(PCI_DEV(0, 0x1f, 0), GEN_PMCON_3, reg8);
+		}
+
+		/* also iterates over all bridges on bus 0 */
+		busmaster_disable_on_bus(0);
+		break;
+	default: printk(BIOS_DEBUG, "SMI#: ERROR: SLP_TYP reserved\n"); break;
+	}
+
+	/* Write back to the SLP register to cause the originally intended
+	 * event again. We need to set BIT13 (SLP_EN) though to make the
+	 * sleep happen.
+	 */
+	outl(reg32 | SLP_EN, pmbase + PM1_CNT);
+
+	/* Make sure to stop executing code here for S3/S4/S5 */
+	if (slp_typ > 1)
+		hlt();
+
+	/* In most sleep states, the code flow of this function ends at
+	 * the line above. However, if we entered sleep state S1 and wake
+	 * up again, we will continue to execute code in this function.
+	 */
+	reg32 = inl(pmbase + PM1_CNT);
+	if (reg32 & SCI_EN) {
+		/* The OS is not an ACPI OS, so we set the state to S0 */
+		reg32 &= ~(SLP_EN | SLP_TYP);
+		outl(reg32, pmbase + PM1_CNT);
+	}
+}
+
+static void southbridge_smi_apmc(unsigned int node, smm_state_save_area_t *state_save)
+{
+	u32 pmctrl;
+	u8 reg8;
+	void (*mainboard_apmc)(u8 apmc) = mainboard_smi_apmc;
+
+	/* Emulate B2 register as the FADT / Linux expects it */
+
+	reg8 = inb(APM_CNT);
+	switch (reg8) {
+	case APM_CNT_CST_CONTROL:
+		/* Calling this function seems to cause
+		 * some kind of race condition in Linux
+		 * and causes a kernel oops
+		 */
+		printk(BIOS_DEBUG, "C-state control\n");
+		break;
+	case APM_CNT_PST_CONTROL:
+		/* Calling this function seems to cause
+		 * some kind of race condition in Linux
+		 * and causes a kernel oops
+		 */
+		printk(BIOS_DEBUG, "P-state control\n");
+		break;
+	case APM_CNT_ACPI_DISABLE:
+		pmctrl = inl(pmbase + PM1_CNT);
+		pmctrl &= ~SCI_EN;
+		outl(pmctrl, pmbase + PM1_CNT);
+		printk(BIOS_DEBUG, "SMI#: ACPI disabled.\n");
+		break;
+	case APM_CNT_ACPI_ENABLE:
+		pmctrl = inl(pmbase + PM1_CNT);
+		pmctrl |= SCI_EN;
+		outl(pmctrl, pmbase + PM1_CNT);
+		printk(BIOS_DEBUG, "SMI#: ACPI enabled.\n");
+		break;
+	case APM_CNT_GNVS_UPDATE:
+		if (smm_initialized) {
+			printk(BIOS_DEBUG, "SMI#: SMM structures already initialized!\n");
+			return;
+		}
+		gnvs = *(global_nvs_t **)0x500;
+		tcg  = *(void **)0x504;
+		smi1 = *(void **)0x508;
+		smm_initialized = 1;
+		printk(BIOS_DEBUG, "SMI#: Setting up structures to %p, %p, %p\n", gnvs, tcg, smi1);
+		break;
+	}
+
+	tseg_fixup((void **)&mainboard_apmc);
+	if (mainboard_apmc)
+		mainboard_apmc(reg8);
+}
+
+static void southbridge_smi_pm1(unsigned int node, smm_state_save_area_t *state_save)
+{
+	u16 pm1_sts;
+
+	pm1_sts = reset_pm1_status();
+	dump_pm1_status(pm1_sts);
+
+	/* While OSPM is not active, poweroff immediately
+	 * on a power button event.
+	 */
+	if (pm1_sts & PWRBTN_STS) {
+		// power button pressed
+		u32 reg32;
+		reg32 = (7 << 10) | (1 << 13);
+		outl(reg32, pmbase + PM1_CNT);
+	}
+}
+
+static void southbridge_smi_gpe0(unsigned int node, smm_state_save_area_t *state_save)
+{
+	u32 gpe0_sts;
+
+	gpe0_sts = reset_gpe0_status();
+	dump_gpe0_status(gpe0_sts);
+}
+
+static void southbridge_smi_gpi(unsigned int node, smm_state_save_area_t *state_save)
+{
+	void (*mainboard_gpi)(u16 gpi_sts) = mainboard_smi_gpi;
+	u16 reg16;
+	reg16 = inw(pmbase + ALT_GP_SMI_STS);
+	outw(reg16, pmbase + ALT_GP_SMI_STS);
+
+	reg16 &= inw(pmbase + ALT_GP_SMI_EN);
+
+	tseg_fixup((void **)&mainboard_gpi);
+	if (mainboard_gpi) {
+		mainboard_gpi(reg16);
+	} else {
+		if (reg16)
+			printk(BIOS_DEBUG, "GPI (mask %04x)\n",reg16);
+	}
+
+	outw(reg16, pmbase + ALT_GP_SMI_STS);
+}
+
+static void southbridge_smi_mc(unsigned int node, smm_state_save_area_t *state_save)
+{
+	u32 reg32;
+
+	reg32 = inl(pmbase + SMI_EN);
+
+	/* Are periodic SMIs enabled? */
+	if ((reg32 & MCSMI_EN) == 0)
+		return;
+
+	printk(BIOS_DEBUG, "Microcontroller SMI.\n");
+}
+
+
+
+static void southbridge_smi_tco(unsigned int node, smm_state_save_area_t *state_save)
+{
+	u32 tco_sts;
+
+	tco_sts = reset_tco_status();
+
+	/* Any TCO event? */
+	if (!tco_sts)
+		return;
+
+	if (tco_sts & (1 << 8)) { // BIOSWR
+		u8 bios_cntl;
+
+		bios_cntl = pcie_read_config16(PCI_DEV(0, 0x1f, 0), 0xdc);
+
+		if (bios_cntl & 1) {
+			/* BWE is RW, so the SMI was caused by a
+			 * write to BWE, not by a write to the BIOS
+			 */
+
+			/* This is the place where we notice someone
+			 * is trying to tinker with the BIOS. We are
+			 * trying to be nice and just ignore it. A more
+			 * resolute answer would be to power down the
+			 * box.
+			 */
+			printk(BIOS_DEBUG, "Switching back to RO\n");
+			pcie_write_config32(PCI_DEV(0, 0x1f, 0), 0xdc, (bios_cntl & ~1));
+		} /* No else for now? */
+	} else if (tco_sts & (1 << 3)) { /* TIMEOUT */
+		/* Handle TCO timeout */
+		printk(BIOS_DEBUG, "TCO Timeout.\n");
+	} else if (!tco_sts) {
+		dump_tco_status(tco_sts);
+	}
+}
+
+static void southbridge_smi_periodic(unsigned int node, smm_state_save_area_t *state_save)
+{
+	u32 reg32;
+
+	reg32 = inl(pmbase + SMI_EN);
+
+	/* Are periodic SMIs enabled? */
+	if ((reg32 & PERIODIC_EN) == 0)
+		return;
+
+	printk(BIOS_DEBUG, "Periodic SMI.\n");
+}
+
+static void southbridge_smi_monitor(unsigned int node, smm_state_save_area_t *state_save)
+{
+#define IOTRAP(x) (trap_sts & (1 << x))
+	u32 trap_sts, trap_cycle;
+	u32 data, mask = 0;
+	int i;
+
+	trap_sts = RCBA32(0x1e00); // TRSR - Trap Status Register
+	RCBA32(0x1e00) = trap_sts; // Clear trap(s) in TRSR
+
+	trap_cycle = RCBA32(0x1e10);
+	for (i=16; i<20; i++) {
+		if (trap_cycle & (1 << i))
+			mask |= (0xff << ((i - 16) << 2));
+	}
+
+
+	/* IOTRAP(3) SMI function call */
+	if (IOTRAP(3)) {
+		if (gnvs && gnvs->smif)
+			io_trap_handler(gnvs->smif); // call function smif
+		return;
+	}
+
+	/* IOTRAP(2) currently unused
+	 * IOTRAP(1) currently unused */
+
+	/* IOTRAP(0) SMIC */
+	if (IOTRAP(0)) {
+		if (!(trap_cycle & (1 << 24))) { // It's a write
+			printk(BIOS_DEBUG, "SMI1 command\n");
+			data = RCBA32(0x1e18);
+			data &= mask;
+			// if (smi1)
+			// 	southbridge_smi_command(data);
+			// return;
+		}
+		// Fall through to debug
+	}
+
+	printk(BIOS_DEBUG, "  trapped io address = 0x%x\n", trap_cycle & 0xfffc);
+	for (i=0; i < 4; i++) if(IOTRAP(i)) printk(BIOS_DEBUG, "  TRAP = %d\n", i);
+	printk(BIOS_DEBUG, "  AHBE = %x\n", (trap_cycle >> 16) & 0xf);
+	printk(BIOS_DEBUG, "  MASK = 0x%08x\n", mask);
+	printk(BIOS_DEBUG, "  read/write: %s\n", (trap_cycle & (1 << 24)) ? "read" : "write");
+
+	if (!(trap_cycle & (1 << 24))) {
+		/* Write Cycle */
+		data = RCBA32(0x1e18);
+		printk(BIOS_DEBUG, "  iotrap written data = 0x%08x\n", data);
+	}
+#undef IOTRAP
+}
+
+typedef void (*smi_handler_t)(unsigned int node,
+		smm_state_save_area_t *state_save);
+
+static smi_handler_t southbridge_smi[32] = {
+	NULL,			  //  [0] reserved
+	NULL,			  //  [1] reserved
+	NULL,			  //  [2] BIOS_STS
+	NULL,			  //  [3] LEGACY_USB_STS
+	southbridge_smi_sleep,	  //  [4] SLP_SMI_STS
+	southbridge_smi_apmc,	  //  [5] APM_STS
+	NULL,			  //  [6] SWSMI_TMR_STS
+	NULL,			  //  [7] reserved
+	southbridge_smi_pm1,	  //  [8] PM1_STS
+	southbridge_smi_gpe0,	  //  [9] GPE0_STS
+	southbridge_smi_gpi,	  // [10] GPI_STS
+	southbridge_smi_mc,	  // [11] MCSMI_STS
+	NULL,			  // [12] DEVMON_STS
+	southbridge_smi_tco,	  // [13] TCO_STS
+	southbridge_smi_periodic, // [14] PERIODIC_STS
+	NULL,			  // [15] SERIRQ_SMI_STS
+	NULL,			  // [16] SMBUS_SMI_STS
+	NULL,			  // [17] LEGACY_USB2_STS
+	NULL,			  // [18] INTEL_USB2_STS
+	NULL,			  // [19] reserved
+	NULL,			  // [20] PCI_EXP_SMI_STS
+	southbridge_smi_monitor,  // [21] MONITOR_STS
+	NULL,			  // [22] reserved
+	NULL,			  // [23] reserved
+	NULL,			  // [24] reserved
+	NULL,			  // [25] EL_SMI_STS
+	NULL,			  // [26] SPI_STS
+	NULL,			  // [27] reserved
+	NULL,			  // [28] reserved
+	NULL,			  // [29] reserved
+	NULL,			  // [30] reserved
+	NULL			  // [31] reserved
+};
+
+/**
+ * @brief Interrupt handler for SMI#
+ *
+ * @param smm_revision revision of the smm state save map
+ */
+
+void southbridge_smi_handler(unsigned int node, smm_state_save_area_t *state_save)
+{
+	int i, dump = 0;
+	u32 smi_sts;
+
+	/* Update global variable pmbase */
+	pmbase = pcie_read_config16(PCI_DEV(0, 0x1f, 0), 0x40) & 0xfffc;
+
+#if CONFIG_SMM_TSEG
+	/* Update global variable TSEG base */
+	tseg_base = pcie_read_config32(PCI_DEV(0, 0, 0), TSEG) & ~1;
+#endif
+
+	/* We need to clear the SMI status registers, or we won't see what's
+	 * happening in the following calls.
+	 */
+	smi_sts = reset_smi_status();
+
+	/* Call SMI sub handler for each of the status bits */
+	for (i = 0; i < 31; i++) {
+		if (smi_sts & (1 << i)) {
+			if (southbridge_smi[i]) {
+#if CONFIG_SMM_TSEG
+				smi_handler_t handler = (smi_handler_t)
+					((u8*)southbridge_smi[i] + tseg_base);
+				if (handler)
+					handler(node, state_save);
+#else
+				southbridge_smi[i](node, state_save);
+#endif
+			} else {
+				printk(BIOS_DEBUG, "SMI_STS[%d] occured, but no "
+						"handler available.\n", i);
+				dump = 1;
+			}
+		}
+	}
+
+	if(dump) {
+		dump_smi_status(smi_sts);
+	}
+
+}
diff --git a/src/southbridge/intel/bd82x6x/usb_debug.c b/src/southbridge/intel/bd82x6x/usb_debug.c
new file mode 100644
index 0000000000..4258a03608
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/usb_debug.c
@@ -0,0 +1,51 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <console/console.h>
+#include <usbdebug.h>
+#include <device/pci_def.h>
+#include "pch.h"
+
+/* Required for successful build, but currently empty. */
+void set_debug_port(unsigned int port)
+{
+	/* Not needed, the ICH* southbridges hardcode physical USB port 1. */
+}
+
+void enable_usbdebug(unsigned int port)
+{
+	u32 dbgctl;
+	device_t dev = PCI_DEV(0, 0x1d, 7); /* USB EHCI, D29:F7 */
+
+	/* Set the EHCI BAR address. */
+	pci_write_config32(dev, EHCI_BAR_INDEX, CONFIG_EHCI_BAR);
+
+	/* Enable access to the EHCI memory space registers. */
+	pci_write_config8(dev, PCI_COMMAND, PCI_COMMAND_MEMORY);
+
+	/* Force ownership of the Debug Port to the EHCI controller. */
+	printk(BIOS_DEBUG, "Enabling OWNER_CNT\n");
+	dbgctl = read32(CONFIG_EHCI_BAR + CONFIG_EHCI_DEBUG_OFFSET);
+	dbgctl |= (1 << 30);
+	write32(CONFIG_EHCI_BAR + CONFIG_EHCI_DEBUG_OFFSET, dbgctl);
+}
+
diff --git a/src/southbridge/intel/bd82x6x/usb_ehci.c b/src/southbridge/intel/bd82x6x/usb_ehci.c
new file mode 100644
index 0000000000..c299535456
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/usb_ehci.c
@@ -0,0 +1,124 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include "pch.h"
+#include <usbdebug.h>
+#include <arch/io.h>
+
+static void usb_ehci_init(struct device *dev)
+{
+	u32 reg32;
+
+	/* Disable Wake on Disconnect in RMH */
+	reg32 = RCBA32(0x35b0);
+	reg32 |= 0x22;
+	RCBA32(0x35b0) = reg32;
+
+	printk(BIOS_DEBUG, "EHCI: Setting up controller.. ");
+	reg32 = pci_read_config32(dev, PCI_COMMAND);
+	reg32 |= PCI_COMMAND_MASTER;
+	//reg32 |= PCI_COMMAND_SERR;
+	pci_write_config32(dev, PCI_COMMAND, reg32);
+
+	printk(BIOS_DEBUG, "done.\n");
+}
+
+static void usb_ehci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	u8 access_cntl;
+
+	access_cntl = pci_read_config8(dev, 0x80);
+
+	/* Enable writes to protected registers. */
+	pci_write_config8(dev, 0x80, access_cntl | 1);
+
+	if (!vendor || !device) {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				pci_read_config32(dev, PCI_VENDOR_ID));
+	} else {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				((device & 0xffff) << 16) | (vendor & 0xffff));
+	}
+
+	/* Restore protection. */
+	pci_write_config8(dev, 0x80, access_cntl);
+}
+
+static void usb_ehci_set_resources(struct device *dev)
+{
+#if CONFIG_USBDEBUG
+	struct resource *res;
+	u32 base;
+	u32 usb_debug;
+
+	usb_debug = get_ehci_debug();
+	set_ehci_debug(0);
+#endif
+	pci_dev_set_resources(dev);
+
+#if CONFIG_USBDEBUG
+	res = find_resource(dev, 0x10);
+	set_ehci_debug(usb_debug);
+	if (!res) return;
+	base = res->base;
+	set_ehci_base(base);
+	report_resource_stored(dev, res, "");
+#endif
+}
+
+
+
+static struct pci_operations lops_pci = {
+	.set_subsystem	= &usb_ehci_set_subsystem,
+};
+
+static struct device_operations usb_ehci_ops = {
+	.read_resources		= pci_dev_read_resources,
+	.set_resources		= usb_ehci_set_resources,
+	.enable_resources	= pci_dev_enable_resources,
+	.init			= usb_ehci_init,
+	.scan_bus		= 0,
+	.ops_pci		= &lops_pci,
+};
+
+static const struct pci_driver pch_usb_ehci1 __pci_driver = {
+	.ops	= &usb_ehci_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c26,
+};
+static const struct pci_driver pch_usb_ehci2 __pci_driver = {
+	.ops	= &usb_ehci_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1c2d,
+};
+static const struct pci_driver pch_usb_ehci3 __pci_driver = {
+	.ops	= &usb_ehci_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1e26,
+};
+static const struct pci_driver pch_usb_ehci4 __pci_driver = {
+	.ops	= &usb_ehci_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= 0x1e2d,
+};
diff --git a/src/southbridge/intel/bd82x6x/watchdog.c b/src/southbridge/intel/bd82x6x/watchdog.c
new file mode 100644
index 0000000000..362e896df0
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/watchdog.c
@@ -0,0 +1,59 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2011 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <watchdog.h>
+
+  //
+  //  Disable PCH Watchdog timer at SB_RCBA+0x3410
+  //
+  //  Mmio32((MmPci32(0, 0, 0x1F, 0, 0xF0) & ~BIT0), 0x3410) |= 0x20;
+  //
+void watchdog_off(void)
+{
+	device_t dev;
+	unsigned long value, base;
+
+	/* Turn off the ICH7 watchdog. */
+	dev = dev_find_slot(0, PCI_DEVFN(0x1f, 0));
+
+	/* Enable I/O space. */
+	value = pci_read_config16(dev, 0x04);
+	value |= (1 << 10);
+	pci_write_config16(dev, 0x04, value);
+
+	/* Get TCO base. */
+	base = (pci_read_config32(dev, 0x40) & 0x0fffe) + 0x60;
+
+	/* Disable the watchdog timer. */
+	value = inw(base + 0x08);
+	value |= 1 << 11;
+	outw(value, base + 0x08);
+
+	/* Clear TCO timeout status. */
+	outw(0x0008, base + 0x04);
+	outw(0x0002, base + 0x06);
+
+	printk(BIOS_DEBUG, "PCH watchdog disabled\n");
+}
author	Stefan Reinauer <stefan.reinauer@coreboot.org>	2012-04-04 00:07:22 +0200
committer	Stefan Reinauer <stefan.reinauer@coreboot.org>	2012-04-04 19:10:51 +0200
commit	8e073829ec69ee89b3e91f4c040c96988084a526 (patch)
tree	2e2b378ec66aa3ecd563b253726aae6e71db043a /src/southbridge
parent	cb91e1525eb0b81f9bc2e24e3404d6a9efc1cce3 (diff)
download	coreboot-8e073829ec69ee89b3e91f4c040c96988084a526.tar.xz